211490990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{682229}}^1$

素因数の和:682267

約数の個数: 16

約数和(自身を含む): 392964480

約数和(自身を除く): 181473490

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 682229, 1364458, 3411145, 6822290, 21149099, 42298198, 105745495, 211490990]

約数ペア:

[(1, 211490990), (2, 105745495), (5, 42298198), (10, 21149099), (31, 6822290), (62, 3411145), (155, 1364458), (310, 682229)]