8722870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3947}}^1$

素因数の和:3984

約数の個数: 32

約数和(自身を含む): 17908128

約数和(自身を除く): 9185258

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 3947, 7894, 19735, 39470, 51311, 67099, 102622, 134198, 256555, 335495, 513110, 670990, 872287, 1744574, 4361435, 8722870]

約数ペア:

[(1, 8722870), (2, 4361435), (5, 1744574), (10, 872287), (13, 670990), (17, 513110), (26, 335495), (34, 256555), (65, 134198), (85, 102622), (130, 67099), (170, 51311), (221, 39470), (442, 19735), (1105, 7894), (2210, 3947)]