407777708

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:267

約数の個数: 96

約数和(自身を含む): 845873280

約数和(自身を除く): 438095572

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 71, 73, 89, 142, 146, 178, 221, 284, 292, 356, 442, 884, 923, 949, 1157, 1207, 1241, 1513, 1846, 1898, 2314, 2414, 2482, 3026, 3692, 3796, 4628, 4828, 4964, 5183, 6052, 6319, 6497, 10366, 12638, 12994, 15691, 16133, 19669, 20732, 25276, 25988, 31382, 32266, 39338, 62764, 64532, 67379, 78676, 82147, 84461, 88111, 107423, 110449, 134758, 164294, 168922, 176222, 214846, 220898, 269516, 328588, 337844, 352444, 429692, 441796, 461287, 922574, 1145443, 1396499, 1435837, 1845148, 2290886, 2792998, 2871674, 4581772, 5585996, 5743348, 5996731, 7841879, 11993462, 15683758, 23986924, 31367516, 101944427, 203888854, 407777708]

約数ペア:

[(1, 407777708), (2, 203888854), (4, 101944427), (13, 31367516), (17, 23986924), (26, 15683758), (34, 11993462), (52, 7841879), (68, 5996731), (71, 5743348), (73, 5585996), (89, 4581772), (142, 2871674), (146, 2792998), (178, 2290886), (221, 1845148), (284, 1435837), (292, 1396499), (356, 1145443), (442, 922574), (884, 461287), (923, 441796), (949, 429692), (1157, 352444), (1207, 337844), (1241, 328588), (1513, 269516), (1846, 220898), (1898, 214846), (2314, 176222), (2414, 168922), (2482, 164294), (3026, 134758), (3692, 110449), (3796, 107423), (4628, 88111), (4828, 84461), (4964, 82147), (5183, 78676), (6052, 67379), (6319, 64532), (6497, 62764), (10366, 39338), (12638, 32266), (12994, 31382), (15691, 25988), (16133, 25276), (19669, 20732)]