31515965

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:214

約数の個数: 32

約数和(自身を含む): 43411200

約数和(自身を除く): 11895235

約数列:

[1, 5, 13, 19, 65, 95, 151, 169, 247, 755, 845, 1235, 1963, 2197, 2869, 3211, 9815, 10985, 14345, 16055, 25519, 37297, 41743, 127595, 186485, 208715, 331747, 484861, 1658735, 2424305, 6303193, 31515965]

約数ペア:

[(1, 31515965), (5, 6303193), (13, 2424305), (19, 1658735), (65, 484861), (95, 331747), (151, 208715), (169, 186485), (247, 127595), (755, 41743), (845, 37297), (1235, 25519), (1963, 16055), (2197, 14345), (2869, 10985), (3211, 9815)]