290232878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{166609}}^1$

素因数の和:166691

約数の個数: 16

約数和(自身を含む): 475838160

約数和(自身を除く): 185605282

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 166609, 333218, 2165917, 4331834, 11162803, 22325606, 145116439, 290232878]

約数ペア:

[(1, 290232878), (2, 145116439), (13, 22325606), (26, 11162803), (67, 4331834), (134, 2165917), (871, 333218), (1742, 166609)]