208380475

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{4339}}^1$

素因数の和:4479

約数の個数: 24

約数和(自身を含む): 276076080

約数和(自身を除く): 67695605

約数列:

[1, 5, 17, 25, 85, 113, 425, 565, 1921, 2825, 4339, 9605, 21695, 48025, 73763, 108475, 368815, 490307, 1844075, 2451535, 8335219, 12257675, 41676095, 208380475]

約数ペア:

[(1, 208380475), (5, 41676095), (17, 12257675), (25, 8335219), (85, 2451535), (113, 1844075), (425, 490307), (565, 368815), (1921, 108475), (2825, 73763), (4339, 48025), (9605, 21695)]