642242704

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{617}}^1\times {\mathrm{971}}^1$

素因数の和:1663

約数の個数: 40

約数和(自身を含む): 1266267168

約数和(自身を除く): 624024464

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 617, 971, 1072, 1234, 1942, 2468, 3884, 4936, 7768, 9872, 15536, 41339, 65057, 82678, 130114, 165356, 260228, 330712, 520456, 599107, 661424, 1040912, 1198214, 2396428, 4792856, 9585712, 40140169, 80280338, 160560676, 321121352, 642242704]

約数ペア:

[(1, 642242704), (2, 321121352), (4, 160560676), (8, 80280338), (16, 40140169), (67, 9585712), (134, 4792856), (268, 2396428), (536, 1198214), (617, 1040912), (971, 661424), (1072, 599107), (1234, 520456), (1942, 330712), (2468, 260228), (3884, 165356), (4936, 130114), (7768, 82678), (9872, 65057), (15536, 41339)]