64279985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{839}}^1$

素因数の和:1061

約数の個数: 32

約数和(自身を含む): 96768000

約数和(自身を除く): 32488015

約数列:

[1, 5, 7, 11, 35, 55, 77, 199, 385, 839, 995, 1393, 2189, 4195, 5873, 6965, 9229, 10945, 15323, 29365, 46145, 64603, 76615, 166961, 323015, 834805, 1168727, 1836571, 5843635, 9182855, 12855997, 64279985]

約数ペア:

[(1, 64279985), (5, 12855997), (7, 9182855), (11, 5843635), (35, 1836571), (55, 1168727), (77, 834805), (199, 323015), (385, 166961), (839, 76615), (995, 64603), (1393, 46145), (2189, 29365), (4195, 15323), (5873, 10945), (6965, 9229)]