289262393

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^2\times {\mathrm{313}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 345209088

約数和(自身を除く): 55946695

約数列:

[1, 7, 47, 53, 313, 329, 371, 2191, 2491, 2809, 14711, 16589, 17437, 19663, 102977, 116123, 132023, 779683, 879217, 924161, 5457781, 6154519, 41323199, 289262393]

約数ペア:

[(1, 289262393), (7, 41323199), (47, 6154519), (53, 5457781), (313, 924161), (329, 879217), (371, 779683), (2191, 132023), (2491, 116123), (2809, 102977), (14711, 19663), (16589, 17437)]