123511130

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{398423}}^1$

素因数の和:398461

約数の個数: 16

約数和(自身を含む): 229492224

約数和(自身を除く): 105981094

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 398423, 796846, 1992115, 3984230, 12351113, 24702226, 61755565, 123511130]

約数ペア:

[(1, 123511130), (2, 61755565), (5, 24702226), (10, 12351113), (31, 3984230), (62, 1992115), (155, 796846), (310, 398423)]