83321225

素因数分解:

$5^2\times {\mathrm{13}}^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:127

約数の個数: 48

約数和(自身を含む): 117752880

約数和(自身を除く): 34431655

約数列:

[1, 5, 13, 25, 37, 41, 65, 169, 185, 205, 325, 481, 533, 845, 925, 1025, 1517, 2197, 2405, 2665, 4225, 6253, 6929, 7585, 10985, 12025, 13325, 19721, 31265, 34645, 37925, 54925, 81289, 90077, 98605, 156325, 173225, 256373, 406445, 450385, 493025, 1281865, 2032225, 2251925, 3332849, 6409325, 16664245, 83321225]

約数ペア:

[(1, 83321225), (5, 16664245), (13, 6409325), (25, 3332849), (37, 2251925), (41, 2032225), (65, 1281865), (169, 493025), (185, 450385), (205, 406445), (325, 256373), (481, 173225), (533, 156325), (845, 98605), (925, 90077), (1025, 81289), (1517, 54925), (2197, 37925), (2405, 34645), (2665, 31265), (4225, 19721), (6253, 13325), (6929, 12025), (7585, 10985)]