261569366

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{12889}}^1$

素因数の和:13103

約数の個数: 16

約数和(自身を含む): 400621200

約数和(自身を除く): 139051834

約数列:

[1, 2, 73, 139, 146, 278, 10147, 12889, 20294, 25778, 940897, 1791571, 1881794, 3583142, 130784683, 261569366]

約数ペア:

[(1, 261569366), (2, 130784683), (73, 3583142), (139, 1881794), (146, 1791571), (278, 940897), (10147, 25778), (12889, 20294)]