457490621

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{521}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 570074112

約数和(自身を除く): 112583491

約数列:

[1, 7, 17, 47, 119, 157, 329, 521, 799, 1099, 2669, 3647, 5593, 7379, 8857, 18683, 24487, 51653, 61999, 81797, 125443, 171409, 416279, 572579, 878101, 1390549, 2913953, 3844459, 9733843, 26911213, 65355803, 457490621]

約数ペア:

[(1, 457490621), (7, 65355803), (17, 26911213), (47, 9733843), (119, 3844459), (157, 2913953), (329, 1390549), (521, 878101), (799, 572579), (1099, 416279), (2669, 171409), (3647, 125443), (5593, 81797), (7379, 61999), (8857, 51653), (18683, 24487)]