64856272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16411}}^1$

素因数の和:16451

約数の個数: 40

約数和(自身を含む): 142456160

約数和(自身を除く): 77599888

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 16411, 32822, 65644, 131288, 213343, 262576, 311809, 426686, 623618, 853372, 1247236, 1706744, 2494472, 3413488, 4053517, 4988944, 8107034, 16214068, 32428136, 64856272]

約数ペア:

[(1, 64856272), (2, 32428136), (4, 16214068), (8, 8107034), (13, 4988944), (16, 4053517), (19, 3413488), (26, 2494472), (38, 1706744), (52, 1247236), (76, 853372), (104, 623618), (152, 426686), (208, 311809), (247, 262576), (304, 213343), (494, 131288), (988, 65644), (1976, 32822), (3952, 16411)]