64406728

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{691}}^1$

素因数の和:949

約数の個数: 32

約数和(自身を含む): 123563520

約数和(自身を除く): 59156792

約数列:

[1, 2, 4, 8, 61, 122, 191, 244, 382, 488, 691, 764, 1382, 1528, 2764, 5528, 11651, 23302, 42151, 46604, 84302, 93208, 131981, 168604, 263962, 337208, 527924, 1055848, 8050841, 16101682, 32203364, 64406728]

約数ペア:

[(1, 64406728), (2, 32203364), (4, 16101682), (8, 8050841), (61, 1055848), (122, 527924), (191, 337208), (244, 263962), (382, 168604), (488, 131981), (691, 93208), (764, 84302), (1382, 46604), (1528, 42151), (2764, 23302), (5528, 11651)]