256987130

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1511689}}^1$

素因数の和:1511713

約数の個数: 16

約数和(自身を含む): 489787560

約数和(自身を除く): 232800430

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1511689, 3023378, 7558445, 15116890, 25698713, 51397426, 128493565, 256987130]

約数ペア:

[(1, 256987130), (2, 128493565), (5, 51397426), (10, 25698713), (17, 15116890), (34, 7558445), (85, 3023378), (170, 1511689)]