64260728

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{7309}}^1$

素因数の和:7479

約数の個数: 32

約数和(自身を含む): 138597600

約数和(自身を除く): 74336872

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2198, 4396, 7309, 8792, 14618, 29236, 51163, 58472, 102326, 204652, 409304, 1147513, 2295026, 4590052, 8032591, 9180104, 16065182, 32130364, 64260728]

約数ペア:

[(1, 64260728), (2, 32130364), (4, 16065182), (7, 9180104), (8, 8032591), (14, 4590052), (28, 2295026), (56, 1147513), (157, 409304), (314, 204652), (628, 102326), (1099, 58472), (1256, 51163), (2198, 29236), (4396, 14618), (7309, 8792)]