225461905

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{4217}}^1$

素因数の和:4293

約数の個数: 24

約数和(自身を含む): 295243128

約数和(自身を除く): 69781223

約数列:

[1, 5, 17, 37, 85, 185, 289, 629, 1445, 3145, 4217, 10693, 21085, 53465, 71689, 156029, 358445, 780145, 1218713, 2652493, 6093565, 13262465, 45092381, 225461905]

約数ペア:

[(1, 225461905), (5, 45092381), (17, 13262465), (37, 6093565), (85, 2652493), (185, 1218713), (289, 780145), (629, 358445), (1445, 156029), (3145, 71689), (4217, 53465), (10693, 21085)]