12811525

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 16729088

約数和(自身を除く): 3917563

約数列:

[1, 5, 25, 31, 61, 155, 271, 305, 775, 1355, 1525, 1891, 6775, 8401, 9455, 16531, 42005, 47275, 82655, 210025, 413275, 512461, 2562305, 12811525]

約数ペア:

[(1, 12811525), (5, 2562305), (25, 512461), (31, 413275), (61, 210025), (155, 82655), (271, 47275), (305, 42005), (775, 16531), (1355, 9455), (1525, 8401), (1891, 6775)]