158879539

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2137}}^1$

素因数の和:2219

約数の個数: 32

約数和(自身を含む): 210721280

約数和(自身を除く): 51841741

約数列:

[1, 7, 13, 19, 43, 91, 133, 247, 301, 559, 817, 1729, 2137, 3913, 5719, 10621, 14959, 27781, 40603, 74347, 91891, 194467, 284221, 527839, 643237, 1194583, 1745929, 3694873, 8362081, 12221503, 22697077, 158879539]

約数ペア:

[(1, 158879539), (7, 22697077), (13, 12221503), (19, 8362081), (43, 3694873), (91, 1745929), (133, 1194583), (247, 643237), (301, 527839), (559, 284221), (817, 194467), (1729, 91891), (2137, 74347), (3913, 40603), (5719, 27781), (10621, 14959)]