64648792

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{32717}}^1$

素因数の和:32755

約数の個数: 32

約数和(自身を含む): 137415600

約数和(自身を除く): 72766808

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 32717, 65434, 130868, 261736, 425321, 621623, 850642, 1243246, 1701284, 2486492, 3402568, 4972984, 8081099, 16162198, 32324396, 64648792]

約数ペア:

[(1, 64648792), (2, 32324396), (4, 16162198), (8, 8081099), (13, 4972984), (19, 3402568), (26, 2486492), (38, 1701284), (52, 1243246), (76, 850642), (104, 621623), (152, 425321), (247, 261736), (494, 130868), (988, 65434), (1976, 32717)]