808565290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{478441}}^1$

素因数の和:478474

約数の個数: 24

約数和(自身を含む): 1575987948

約数和(自身を除く): 767422658

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 478441, 956882, 2392205, 4784410, 6219733, 12439466, 31098665, 62197330, 80856529, 161713058, 404282645, 808565290]

約数ペア:

[(1, 808565290), (2, 404282645), (5, 161713058), (10, 80856529), (13, 62197330), (26, 31098665), (65, 12439466), (130, 6219733), (169, 4784410), (338, 2392205), (845, 956882), (1690, 478441)]