308671025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{4259}}^1$

素因数の和:4505

約数の個数: 24

約数和(自身を含む): 414140160

約数和(自身を除く): 105469135

約数列:

[1, 5, 13, 25, 65, 223, 325, 1115, 2899, 4259, 5575, 14495, 21295, 55367, 72475, 106475, 276835, 949757, 1384175, 4748785, 12346841, 23743925, 61734205, 308671025]

約数ペア:

[(1, 308671025), (5, 61734205), (13, 23743925), (25, 12346841), (65, 4748785), (223, 1384175), (325, 949757), (1115, 276835), (2899, 106475), (4259, 72475), (5575, 55367), (14495, 21295)]