290222

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{151}}^1$

素因数の和:215

約数の個数: 12

約数和(自身を含む): 452808

約数和(自身を除く): 162586

約数列:

[1, 2, 31, 62, 151, 302, 961, 1922, 4681, 9362, 145111, 290222]

約数ペア:

[(1, 290222), (2, 145111), (31, 9362), (62, 4681), (151, 1922), (302, 961)]