205361359

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 249523200

約数和(自身を除く): 44161841

約数列:

[1, 7, 37, 59, 89, 151, 259, 413, 623, 1057, 2183, 3293, 5251, 5587, 8909, 13439, 15281, 23051, 36757, 39109, 62363, 94073, 194287, 329633, 497243, 792901, 1360009, 2307431, 3480701, 5550307, 29337337, 205361359]

約数ペア:

[(1, 205361359), (7, 29337337), (37, 5550307), (59, 3480701), (89, 2307431), (151, 1360009), (259, 792901), (413, 497243), (623, 329633), (1057, 194287), (2183, 94073), (3293, 62363), (5251, 39109), (5587, 36757), (8909, 23051), (13439, 15281)]