31911516

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:241

約数の個数: 192

約数和(自身を含む): 108380160

約数和(自身を除く): 76468644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 17, 18, 21, 26, 27, 28, 34, 36, 39, 42, 51, 52, 54, 63, 68, 78, 84, 91, 102, 108, 117, 119, 126, 153, 156, 182, 189, 191, 204, 221, 234, 238, 252, 273, 306, 351, 357, 364, 378, 382, 442, 459, 468, 476, 546, 573, 612, 663, 702, 714, 756, 764, 819, 884, 918, 1071, 1092, 1146, 1326, 1337, 1404, 1428, 1547, 1638, 1719, 1836, 1989, 2142, 2292, 2457, 2483, 2652, 2674, 3094, 3213, 3247, 3276, 3438, 3978, 4011, 4284, 4641, 4914, 4966, 5157, 5348, 5967, 6188, 6426, 6494, 6876, 7449, 7956, 8022, 9282, 9741, 9828, 9932, 10314, 11934, 12033, 12852, 12988, 13923, 14898, 16044, 17381, 18564, 19482, 20628, 22347, 22729, 23868, 24066, 27846, 29223, 29796, 34762, 36099, 38964, 41769, 42211, 44694, 45458, 48132, 52143, 55692, 58446, 67041, 68187, 69524, 72198, 83538, 84422, 87669, 89388, 90916, 104286, 116892, 126633, 134082, 136374, 144396, 156429, 167076, 168844, 175338, 204561, 208572, 253266, 268164, 272748, 295477, 312858, 350676, 379899, 409122, 469287, 506532, 590954, 613683, 625716, 759798, 818244, 886431, 938574, 1139697, 1181908, 1227366, 1519596, 1772862, 1877148, 2279394, 2454732, 2659293, 3545724, 4558788, 5318586, 7977879, 10637172, 15955758, 31911516]

約数ペア:

[(1, 31911516), (2, 15955758), (3, 10637172), (4, 7977879), (6, 5318586), (7, 4558788), (9, 3545724), (12, 2659293), (13, 2454732), (14, 2279394), (17, 1877148), (18, 1772862), (21, 1519596), (26, 1227366), (27, 1181908), (28, 1139697), (34, 938574), (36, 886431), (39, 818244), (42, 759798), (51, 625716), (52, 613683), (54, 590954), (63, 506532), (68, 469287), (78, 409122), (84, 379899), (91, 350676), (102, 312858), (108, 295477), (117, 272748), (119, 268164), (126, 253266), (153, 208572), (156, 204561), (182, 175338), (189, 168844), (191, 167076), (204, 156429), (221, 144396), (234, 136374), (238, 134082), (252, 126633), (273, 116892), (306, 104286), (351, 90916), (357, 89388), (364, 87669), (378, 84422), (382, 83538), (442, 72198), (459, 69524), (468, 68187), (476, 67041), (546, 58446), (573, 55692), (612, 52143), (663, 48132), (702, 45458), (714, 44694), (756, 42211), (764, 41769), (819, 38964), (884, 36099), (918, 34762), (1071, 29796), (1092, 29223), (1146, 27846), (1326, 24066), (1337, 23868), (1404, 22729), (1428, 22347), (1547, 20628), (1638, 19482), (1719, 18564), (1836, 17381), (1989, 16044), (2142, 14898), (2292, 13923), (2457, 12988), (2483, 12852), (2652, 12033), (2674, 11934), (3094, 10314), (3213, 9932), (3247, 9828), (3276, 9741), (3438, 9282), (3978, 8022), (4011, 7956), (4284, 7449), (4641, 6876), (4914, 6494), (4966, 6426), (5157, 6188), (5348, 5967)]