81767868

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{563}}^1$

素因数の和:616

約数の個数: 144

約数和(自身を含む): 252040320

約数和(自身を除く): 170272452

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 49, 52, 57, 76, 78, 84, 91, 98, 114, 133, 147, 156, 182, 196, 228, 247, 266, 273, 294, 364, 399, 494, 532, 546, 563, 588, 637, 741, 798, 931, 988, 1092, 1126, 1274, 1482, 1596, 1689, 1729, 1862, 1911, 2252, 2548, 2793, 2964, 3378, 3458, 3724, 3822, 3941, 5187, 5586, 6756, 6916, 7319, 7644, 7882, 10374, 10697, 11172, 11823, 12103, 14638, 15764, 20748, 21394, 21957, 23646, 24206, 27587, 29276, 32091, 36309, 42788, 43914, 47292, 48412, 51233, 55174, 64182, 72618, 74879, 82761, 87828, 102466, 110348, 128364, 139061, 145236, 149758, 153699, 165522, 204932, 224637, 278122, 299516, 307398, 331044, 358631, 417183, 449274, 524153, 556244, 614796, 717262, 834366, 898548, 973427, 1048306, 1075893, 1434524, 1572459, 1668732, 1946854, 2096612, 2151786, 2920281, 3144918, 3893708, 4303572, 5840562, 6289836, 6813989, 11681124, 13627978, 20441967, 27255956, 40883934, 81767868]

約数ペア:

[(1, 81767868), (2, 40883934), (3, 27255956), (4, 20441967), (6, 13627978), (7, 11681124), (12, 6813989), (13, 6289836), (14, 5840562), (19, 4303572), (21, 3893708), (26, 3144918), (28, 2920281), (38, 2151786), (39, 2096612), (42, 1946854), (49, 1668732), (52, 1572459), (57, 1434524), (76, 1075893), (78, 1048306), (84, 973427), (91, 898548), (98, 834366), (114, 717262), (133, 614796), (147, 556244), (156, 524153), (182, 449274), (196, 417183), (228, 358631), (247, 331044), (266, 307398), (273, 299516), (294, 278122), (364, 224637), (399, 204932), (494, 165522), (532, 153699), (546, 149758), (563, 145236), (588, 139061), (637, 128364), (741, 110348), (798, 102466), (931, 87828), (988, 82761), (1092, 74879), (1126, 72618), (1274, 64182), (1482, 55174), (1596, 51233), (1689, 48412), (1729, 47292), (1862, 43914), (1911, 42788), (2252, 36309), (2548, 32091), (2793, 29276), (2964, 27587), (3378, 24206), (3458, 23646), (3724, 21957), (3822, 21394), (3941, 20748), (5187, 15764), (5586, 14638), (6756, 12103), (6916, 11823), (7319, 11172), (7644, 10697), (7882, 10374)]