31939884

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 84564480

約数和(自身を除く): 52624596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 47, 86, 94, 129, 141, 172, 188, 258, 282, 387, 423, 439, 516, 564, 774, 846, 878, 1317, 1548, 1692, 1756, 2021, 2634, 3951, 4042, 5268, 6063, 7902, 8084, 12126, 15804, 18189, 18877, 20633, 24252, 36378, 37754, 41266, 56631, 61899, 72756, 75508, 82532, 113262, 123798, 169893, 185697, 226524, 247596, 339786, 371394, 679572, 742788, 887219, 1774438, 2661657, 3548876, 5323314, 7984971, 10646628, 15969942, 31939884]

約数ペア:

[(1, 31939884), (2, 15969942), (3, 10646628), (4, 7984971), (6, 5323314), (9, 3548876), (12, 2661657), (18, 1774438), (36, 887219), (43, 742788), (47, 679572), (86, 371394), (94, 339786), (129, 247596), (141, 226524), (172, 185697), (188, 169893), (258, 123798), (282, 113262), (387, 82532), (423, 75508), (439, 72756), (516, 61899), (564, 56631), (774, 41266), (846, 37754), (878, 36378), (1317, 24252), (1548, 20633), (1692, 18877), (1756, 18189), (2021, 15804), (2634, 12126), (3951, 8084), (4042, 7902), (5268, 6063)]