25419356

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{257}}^1\times {\mathrm{313}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 45366720

約数和(自身を除く): 19947364

約数列:

[1, 2, 4, 79, 158, 257, 313, 316, 514, 626, 1028, 1252, 20303, 24727, 40606, 49454, 80441, 81212, 98908, 160882, 321764, 6354839, 12709678, 25419356]

約数ペア:

[(1, 25419356), (2, 12709678), (4, 6354839), (79, 321764), (158, 160882), (257, 98908), (313, 81212), (316, 80441), (514, 49454), (626, 40606), (1028, 24727), (1252, 20303)]