687194556

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^2\times {\mathrm{149}}^1\times {\mathrm{457}}^1$

素因数の和:671

約数の個数: 72

約数和(自身を含む): 1675455600

約数和(自身を除く): 988261044

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 149, 174, 298, 348, 447, 457, 596, 841, 894, 914, 1371, 1682, 1788, 1828, 2523, 2742, 3364, 4321, 5046, 5484, 8642, 10092, 12963, 13253, 17284, 25926, 26506, 39759, 51852, 53012, 68093, 79518, 125309, 136186, 159036, 204279, 250618, 272372, 375927, 384337, 408558, 501236, 751854, 768674, 817116, 1153011, 1503708, 1537348, 1974697, 2306022, 3949394, 4612044, 5924091, 7898788, 11848182, 23696364, 57266213, 114532426, 171798639, 229064852, 343597278, 687194556]

約数ペア:

[(1, 687194556), (2, 343597278), (3, 229064852), (4, 171798639), (6, 114532426), (12, 57266213), (29, 23696364), (58, 11848182), (87, 7898788), (116, 5924091), (149, 4612044), (174, 3949394), (298, 2306022), (348, 1974697), (447, 1537348), (457, 1503708), (596, 1153011), (841, 817116), (894, 768674), (914, 751854), (1371, 501236), (1682, 408558), (1788, 384337), (1828, 375927), (2523, 272372), (2742, 250618), (3364, 204279), (4321, 159036), (5046, 136186), (5484, 125309), (8642, 79518), (10092, 68093), (12963, 53012), (13253, 51852), (17284, 39759), (25926, 26506)]