381318847

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{220543}}^1$

素因数の和:220582

約数の個数: 16

約数和(自身を含む): 494018560

約数和(自身を除く): 112699713

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 220543, 1543801, 2867059, 4190317, 20069413, 29332219, 54474121, 381318847]

約数ペア:

[(1, 381318847), (7, 54474121), (13, 29332219), (19, 20069413), (91, 4190317), (133, 2867059), (247, 1543801), (1729, 220543)]