157089457

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^2\times {\mathrm{163}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 188605248

約数和(自身を除く): 31515791

約数列:

[1, 7, 37, 61, 163, 259, 427, 1141, 2257, 3721, 6031, 9943, 15799, 26047, 42217, 69601, 137677, 367891, 606523, 963739, 2575237, 4245661, 22441351, 157089457]

約数ペア:

[(1, 157089457), (7, 22441351), (37, 4245661), (61, 2575237), (163, 963739), (259, 606523), (427, 367891), (1141, 137677), (2257, 69601), (3721, 42217), (6031, 26047), (9943, 15799)]