290413802

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{340063}}^1$

素因数の和:340133

約数の個数: 16

約数和(自身を含む): 506015232

約数和(自身を除く): 215601430

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 340063, 680126, 2380441, 4760882, 20743843, 41487686, 145206901, 290413802]

約数ペア:

[(1, 290413802), (2, 145206901), (7, 41487686), (14, 20743843), (61, 4760882), (122, 2380441), (427, 680126), (854, 340063)]