13613405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 18896640

約数和(自身を除く): 5283235

約数列:

[1, 5, 13, 19, 65, 73, 95, 151, 247, 365, 755, 949, 1235, 1387, 1963, 2869, 4745, 6935, 9815, 11023, 14345, 18031, 37297, 55115, 90155, 143299, 186485, 209437, 716495, 1047185, 2722681, 13613405]

約数ペア:

[(1, 13613405), (5, 2722681), (13, 1047185), (19, 716495), (65, 209437), (73, 186485), (95, 143299), (151, 90155), (247, 55115), (365, 37297), (755, 18031), (949, 14345), (1235, 11023), (1387, 9815), (1963, 6935), (2869, 4745)]