68961964

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{2063}}^1$

素因数の和:2265

約数の個数: 24

約数和(自身を含む): 123617088

約数和(自身を除く): 54655124

約数列:

[1, 2, 4, 61, 122, 137, 244, 274, 548, 2063, 4126, 8252, 8357, 16714, 33428, 125843, 251686, 282631, 503372, 565262, 1130524, 17240491, 34480982, 68961964]

約数ペア:

[(1, 68961964), (2, 34480982), (4, 17240491), (61, 1130524), (122, 565262), (137, 503372), (244, 282631), (274, 251686), (548, 125843), (2063, 33428), (4126, 16714), (8252, 8357)]