390874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:285

約数の個数: 16

約数和(自身を含む): 649440

約数和(自身を除く): 258566

約数列:

[1, 2, 11, 22, 109, 163, 218, 326, 1199, 1793, 2398, 3586, 17767, 35534, 195437, 390874]

約数ペア:

[(1, 390874), (2, 195437), (11, 35534), (22, 17767), (109, 3586), (163, 2398), (218, 1793), (326, 1199)]