521044391

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{1823}}^1$

素因数の和:2163

約数の個数: 24

約数和(自身を含む): 640442880

約数和(自身を除く): 119398489

約数列:

[1, 7, 19, 49, 133, 307, 931, 1823, 2149, 5833, 12761, 15043, 34637, 40831, 89327, 242459, 285817, 559661, 1697213, 3917627, 10633559, 27423389, 74434913, 521044391]

約数ペア:

[(1, 521044391), (7, 74434913), (19, 27423389), (49, 10633559), (133, 3917627), (307, 1697213), (931, 559661), (1823, 285817), (2149, 242459), (5833, 89327), (12761, 40831), (15043, 34637)]