138508172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{39847}}^1$

素因数の和:39941

約数の個数: 24

約数和(自身を含む): 267778560

約数和(自身を除く): 129270388

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 316, 869, 1738, 3476, 39847, 79694, 159388, 438317, 876634, 1753268, 3147913, 6295826, 12591652, 34627043, 69254086, 138508172]

約数ペア:

[(1, 138508172), (2, 69254086), (4, 34627043), (11, 12591652), (22, 6295826), (44, 3147913), (79, 1753268), (158, 876634), (316, 438317), (869, 159388), (1738, 79694), (3476, 39847)]