220155817

素因数分解:

$7^1\times {\mathrm{107}}^1\times {\mathrm{401}}^1\times {\mathrm{733}}^1$

素因数の和:1248

約数の個数: 16

約数和(自身を含む): 254938752

約数和(自身を除く): 34782935

約数列:

[1, 7, 107, 401, 733, 749, 2807, 5131, 42907, 78431, 293933, 300349, 549017, 2057531, 31450831, 220155817]

約数ペア:

[(1, 220155817), (7, 31450831), (107, 2057531), (401, 549017), (733, 300349), (749, 293933), (2807, 78431), (5131, 42907)]