139388585

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 202606272

約数和(自身を除く): 63217687

約数列:

[1, 5, 7, 35, 43, 49, 101, 131, 215, 245, 301, 505, 655, 707, 917, 1505, 2107, 3535, 4343, 4585, 4949, 5633, 6419, 10535, 13231, 21715, 24745, 28165, 30401, 32095, 39431, 66155, 92617, 152005, 197155, 212807, 276017, 463085, 568933, 648319, 1064035, 1380085, 2844665, 3241595, 3982531, 19912655, 27877717, 139388585]

約数ペア:

[(1, 139388585), (5, 27877717), (7, 19912655), (35, 3982531), (43, 3241595), (49, 2844665), (101, 1380085), (131, 1064035), (215, 648319), (245, 568933), (301, 463085), (505, 276017), (655, 212807), (707, 197155), (917, 152005), (1505, 92617), (2107, 66155), (3535, 39431), (4343, 32095), (4585, 30401), (4949, 28165), (5633, 24745), (6419, 21715), (10535, 13231)]