1290291248

素因数分解:

$2^4\times {\mathrm{353}}^1\times {\mathrm{228451}}^1$

素因数の和:228812

約数の個数: 20

約数和(自身を含む): 2507032248

約数和(自身を除く): 1216741000

約数列:

[1, 2, 4, 8, 16, 353, 706, 1412, 2824, 5648, 228451, 456902, 913804, 1827608, 3655216, 80643203, 161286406, 322572812, 645145624, 1290291248]

約数ペア:

[(1, 1290291248), (2, 645145624), (4, 322572812), (8, 161286406), (16, 80643203), (353, 3655216), (706, 1827608), (1412, 913804), (2824, 456902), (5648, 228451)]