313635725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 438721920

約数和(自身を除く): 125086195

約数列:

[1, 5, 13, 25, 29, 65, 107, 145, 311, 325, 377, 535, 725, 1391, 1555, 1885, 2675, 3103, 4043, 6955, 7775, 9019, 9425, 15515, 20215, 33277, 34775, 40339, 45095, 77575, 101075, 117247, 166385, 201695, 225475, 432601, 586235, 831925, 965033, 1008475, 2163005, 2931175, 4825165, 10815025, 12545429, 24125825, 62727145, 313635725]

約数ペア:

[(1, 313635725), (5, 62727145), (13, 24125825), (25, 12545429), (29, 10815025), (65, 4825165), (107, 2931175), (145, 2163005), (311, 1008475), (325, 965033), (377, 831925), (535, 586235), (725, 432601), (1391, 225475), (1555, 201695), (1885, 166385), (2675, 117247), (3103, 101075), (4043, 77575), (6955, 45095), (7775, 40339), (9019, 34775), (9425, 33277), (15515, 20215)]