220171819

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1\times {\mathrm{1303}}^1$

素因数の和:1650

約数の個数: 16

約数和(自身を含む): 255375360

約数和(自身を除く): 35203541

約数列:

[1, 7, 101, 239, 707, 1303, 1673, 9121, 24139, 131603, 168973, 311417, 921221, 2179919, 31453117, 220171819]

約数ペア:

[(1, 220171819), (7, 31453117), (101, 2179919), (239, 921221), (707, 311417), (1303, 168973), (1673, 131603), (9121, 24139)]