31221250319

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{9173}}^1$

素因数の和:9519

約数の個数: 32

約数和(自身を含む): 38034670080

約数和(自身を除く): 6813419761

約数列:

[1, 7, 19, 133, 157, 163, 1099, 1141, 2983, 3097, 9173, 20881, 21679, 25591, 64211, 174287, 179137, 486229, 1220009, 1440161, 1495199, 3403603, 10081127, 10466393, 27363059, 28408781, 191541413, 198861467, 234746243, 1643223701, 4460178617, 31221250319]

約数ペア:

[(1, 31221250319), (7, 4460178617), (19, 1643223701), (133, 234746243), (157, 198861467), (163, 191541413), (1099, 28408781), (1141, 27363059), (2983, 10466393), (3097, 10081127), (9173, 3403603), (20881, 1495199), (21679, 1440161), (25591, 1220009), (64211, 486229), (174287, 179137)]