128214730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{7127}}^1$

素因数の和:7398

約数の個数: 32

約数和(自身を含む): 264819456

約数和(自身を除く): 136604726

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1285, 1799, 2570, 3598, 7127, 8995, 14254, 17990, 35635, 49889, 71270, 99778, 249445, 498890, 1831639, 3663278, 9158195, 12821473, 18316390, 25642946, 64107365, 128214730]

約数ペア:

[(1, 128214730), (2, 64107365), (5, 25642946), (7, 18316390), (10, 12821473), (14, 9158195), (35, 3663278), (70, 1831639), (257, 498890), (514, 249445), (1285, 99778), (1799, 71270), (2570, 49889), (3598, 35635), (7127, 17990), (8995, 14254)]