649017428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{613}}^1\times {\mathrm{13931}}^1$

素因数の和:14567

約数の個数: 24

約数和(自身を含む): 1197594720

約数和(自身を除く): 548577292

約数列:

[1, 2, 4, 19, 38, 76, 613, 1226, 2452, 11647, 13931, 23294, 27862, 46588, 55724, 264689, 529378, 1058756, 8539703, 17079406, 34158812, 162254357, 324508714, 649017428]

約数ペア:

[(1, 649017428), (2, 324508714), (4, 162254357), (19, 34158812), (38, 17079406), (76, 8539703), (613, 1058756), (1226, 529378), (2452, 264689), (11647, 55724), (13931, 46588), (23294, 27862)]