31575570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80963}}^1$

素因数の和:80986

約数の個数: 32

約数和(自身を含む): 81611712

約数和(自身を除く): 50036142

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 80963, 161926, 242889, 404815, 485778, 809630, 1052519, 1214445, 2105038, 2428890, 3157557, 5262595, 6315114, 10525190, 15787785, 31575570]

約数ペア:

[(1, 31575570), (2, 15787785), (3, 10525190), (5, 6315114), (6, 5262595), (10, 3157557), (13, 2428890), (15, 2105038), (26, 1214445), (30, 1052519), (39, 809630), (65, 485778), (78, 404815), (130, 242889), (195, 161926), (390, 80963)]