208968193

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1459}}^1$

素因数の和:1589

約数の個数: 24

約数和(自身を含む): 252988800

約数和(自身を除く): 44020607

約数列:

[1, 7, 37, 49, 79, 259, 553, 1459, 1813, 2923, 3871, 10213, 20461, 53983, 71491, 115261, 143227, 377881, 806827, 2645167, 4264657, 5647789, 29852599, 208968193]

約数ペア:

[(1, 208968193), (7, 29852599), (37, 5647789), (49, 4264657), (79, 2645167), (259, 806827), (553, 377881), (1459, 143227), (1813, 115261), (2923, 71491), (3871, 53983), (10213, 20461)]