664092910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{25931}}^1$

素因数の和:26148

約数の個数: 32

約数和(自身を含む): 1293903072

約数和(自身を除く): 629810162

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 197, 394, 985, 1970, 2561, 5122, 12805, 25610, 25931, 51862, 129655, 259310, 337103, 674206, 1685515, 3371030, 5108407, 10216814, 25542035, 51084070, 66409291, 132818582, 332046455, 664092910]

約数ペア:

[(1, 664092910), (2, 332046455), (5, 132818582), (10, 66409291), (13, 51084070), (26, 25542035), (65, 10216814), (130, 5108407), (197, 3371030), (394, 1685515), (985, 674206), (1970, 337103), (2561, 259310), (5122, 129655), (12805, 51862), (25610, 25931)]