157863349

素因数分解:

$7^4\times {\mathrm{37}}^1\times {\mathrm{1777}}^1$

素因数の和:1842

約数の個数: 20

約数和(自身を含む): 189246764

約数和(自身を除く): 31383415

約数列:

[1, 7, 37, 49, 259, 343, 1777, 1813, 2401, 12439, 12691, 65749, 87073, 88837, 460243, 609511, 3221701, 4266577, 22551907, 157863349]

約数ペア:

[(1, 157863349), (7, 22551907), (37, 4266577), (49, 3221701), (259, 609511), (343, 460243), (1777, 88837), (1813, 87073), (2401, 65749), (12439, 12691)]