16664245

素因数分解:

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

素因数の和:122

約数の個数: 32

約数和(自身を含む): 22790880

約数和(自身を除く): 6126635

約数列:

[1, 5, 13, 37, 41, 65, 169, 185, 205, 481, 533, 845, 1517, 2197, 2405, 2665, 6253, 6929, 7585, 10985, 19721, 31265, 34645, 81289, 90077, 98605, 256373, 406445, 450385, 1281865, 3332849, 16664245]

約数ペア:

[(1, 16664245), (5, 3332849), (13, 1281865), (37, 450385), (41, 406445), (65, 256373), (169, 98605), (185, 90077), (205, 81289), (481, 34645), (533, 31265), (845, 19721), (1517, 10985), (2197, 7585), (2405, 6929), (2665, 6253)]