13211575

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:148

約数の個数: 36

約数和(自身を含む): 18380520

約数和(自身を除く): 5168945

約数列:

[1, 5, 13, 25, 53, 59, 65, 169, 265, 295, 325, 689, 767, 845, 1325, 1475, 3127, 3445, 3835, 4225, 8957, 9971, 15635, 17225, 19175, 40651, 44785, 49855, 78175, 203255, 223925, 249275, 528463, 1016275, 2642315, 13211575]

約数ペア:

[(1, 13211575), (5, 2642315), (13, 1016275), (25, 528463), (53, 249275), (59, 223925), (65, 203255), (169, 78175), (265, 49855), (295, 44785), (325, 40651), (689, 19175), (767, 17225), (845, 15635), (1325, 9971), (1475, 8957), (3127, 4225), (3445, 3835)]