1991614716

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2179}}^1$

素因数の和:2246

約数の個数: 240

約数和(自身を含む): 6617712640

約数和(自身を除く): 4626097924

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 31, 36, 39, 42, 52, 54, 62, 63, 78, 81, 84, 91, 93, 108, 117, 124, 126, 156, 162, 182, 186, 189, 217, 234, 252, 273, 279, 324, 351, 364, 372, 378, 403, 434, 468, 546, 558, 567, 651, 702, 756, 806, 819, 837, 868, 1053, 1092, 1116, 1134, 1209, 1302, 1404, 1612, 1638, 1674, 1953, 2106, 2179, 2268, 2418, 2457, 2511, 2604, 2821, 3276, 3348, 3627, 3906, 4212, 4358, 4836, 4914, 5022, 5642, 5859, 6537, 7254, 7371, 7812, 8463, 8716, 9828, 10044, 10881, 11284, 11718, 13074, 14508, 14742, 15253, 16926, 17577, 19611, 21762, 23436, 25389, 26148, 28327, 29484, 30506, 32643, 33852, 35154, 39222, 43524, 45759, 50778, 56654, 58833, 61012, 65286, 67549, 70308, 76167, 78444, 84981, 91518, 101556, 113308, 117666, 130572, 135098, 137277, 152334, 169962, 176499, 183036, 198289, 202647, 228501, 235332, 254943, 270196, 274554, 304668, 339924, 352998, 396578, 405294, 411831, 457002, 472843, 509886, 549108, 594867, 607941, 705996, 764829, 793156, 810588, 823662, 878137, 914004, 945686, 1019772, 1189734, 1215882, 1235493, 1418529, 1529658, 1647324, 1756274, 1784601, 1823823, 1891372, 2294487, 2379468, 2431764, 2470986, 2634411, 2837058, 3059316, 3512548, 3569202, 3647646, 4255587, 4588974, 4941972, 5268822, 5353803, 5471469, 5674116, 6146959, 7138404, 7295292, 7903233, 8511174, 9177948, 10537644, 10707606, 10942938, 12293918, 12766761, 15806466, 16061409, 17022348, 18440877, 21415212, 21885876, 23709699, 24587836, 25533522, 31612932, 32122818, 36881754, 38300283, 47419398, 51067044, 55322631, 64245636, 71129097, 73763508, 76600566, 94838796, 110645262, 142258194, 153201132, 165967893, 221290524, 284516388, 331935786, 497903679, 663871572, 995807358, 1991614716]

約数ペア:

[(1, 1991614716), (2, 995807358), (3, 663871572), (4, 497903679), (6, 331935786), (7, 284516388), (9, 221290524), (12, 165967893), (13, 153201132), (14, 142258194), (18, 110645262), (21, 94838796), (26, 76600566), (27, 73763508), (28, 71129097), (31, 64245636), (36, 55322631), (39, 51067044), (42, 47419398), (52, 38300283), (54, 36881754), (62, 32122818), (63, 31612932), (78, 25533522), (81, 24587836), (84, 23709699), (91, 21885876), (93, 21415212), (108, 18440877), (117, 17022348), (124, 16061409), (126, 15806466), (156, 12766761), (162, 12293918), (182, 10942938), (186, 10707606), (189, 10537644), (217, 9177948), (234, 8511174), (252, 7903233), (273, 7295292), (279, 7138404), (324, 6146959), (351, 5674116), (364, 5471469), (372, 5353803), (378, 5268822), (403, 4941972), (434, 4588974), (468, 4255587), (546, 3647646), (558, 3569202), (567, 3512548), (651, 3059316), (702, 2837058), (756, 2634411), (806, 2470986), (819, 2431764), (837, 2379468), (868, 2294487), (1053, 1891372), (1092, 1823823), (1116, 1784601), (1134, 1756274), (1209, 1647324), (1302, 1529658), (1404, 1418529), (1612, 1235493), (1638, 1215882), (1674, 1189734), (1953, 1019772), (2106, 945686), (2179, 914004), (2268, 878137), (2418, 823662), (2457, 810588), (2511, 793156), (2604, 764829), (2821, 705996), (3276, 607941), (3348, 594867), (3627, 549108), (3906, 509886), (4212, 472843), (4358, 457002), (4836, 411831), (4914, 405294), (5022, 396578), (5642, 352998), (5859, 339924), (6537, 304668), (7254, 274554), (7371, 270196), (7812, 254943), (8463, 235332), (8716, 228501), (9828, 202647), (10044, 198289), (10881, 183036), (11284, 176499), (11718, 169962), (13074, 152334), (14508, 137277), (14742, 135098), (15253, 130572), (16926, 117666), (17577, 113308), (19611, 101556), (21762, 91518), (23436, 84981), (25389, 78444), (26148, 76167), (28327, 70308), (29484, 67549), (30506, 65286), (32643, 61012), (33852, 58833), (35154, 56654), (39222, 50778), (43524, 45759)]