258639479

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{70111}}^1$

素因数の和:70166

約数の個数: 16

約数和(自身を含む): 323076096

約数和(自身を除く): 64436617

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 70111, 490777, 1191887, 2173441, 8343209, 15214087, 36948497, 258639479]

約数ペア:

[(1, 258639479), (7, 36948497), (17, 15214087), (31, 8343209), (119, 2173441), (217, 1191887), (527, 490777), (3689, 70111)]