389747138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{44179}}^1$

素因数の和:44593

約数の個数: 16

約数和(自身を含む): 639372960

約数和(自身を除く): 249625822

約数列:

[1, 2, 11, 22, 401, 802, 4411, 8822, 44179, 88358, 485969, 971938, 17715779, 35431558, 194873569, 389747138]

約数ペア:

[(1, 389747138), (2, 194873569), (11, 35431558), (22, 17715779), (401, 971938), (802, 485969), (4411, 88358), (8822, 44179)]