57415813

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20353}}^1$

素因数の和:20404

約数の個数: 16

約数和(自身を含む): 72948736

約数和(自身を除く): 15532923

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 20353, 142471, 264589, 630943, 1852123, 4416601, 8202259, 57415813]

約数ペア:

[(1, 57415813), (7, 8202259), (13, 4416601), (31, 1852123), (91, 630943), (217, 264589), (403, 142471), (2821, 20353)]