218501075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{672311}}^1$

素因数の和:672334

約数の個数: 12

約数和(自身を含む): 291783408

約数和(自身を除く): 73282333

約数列:

[1, 5, 13, 25, 65, 325, 672311, 3361555, 8740043, 16807775, 43700215, 218501075]

約数ペア:

[(1, 218501075), (5, 43700215), (13, 16807775), (25, 8740043), (65, 3361555), (325, 672311)]