220109771

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1\times {\mathrm{1747}}^1$

素因数の和:2234

約数の個数: 16

約数和(自身を含む): 258424320

約数和(自身を除く): 38314549

約数列:

[1, 7, 41, 287, 439, 1747, 3073, 12229, 17999, 71627, 125993, 501389, 766933, 5368531, 31444253, 220109771]

約数ペア:

[(1, 220109771), (7, 31444253), (41, 5368531), (287, 766933), (439, 501389), (1747, 125993), (3073, 71627), (12229, 17999)]