68128765

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{1607}}^1$

素因数の和:1812

約数の個数: 16

約数和(自身を含む): 83744640

約数和(自身を除く): 15615875

約数列:

[1, 5, 61, 139, 305, 695, 1607, 8035, 8479, 42395, 98027, 223373, 490135, 1116865, 13625753, 68128765]

約数ペア:

[(1, 68128765), (5, 13625753), (61, 1116865), (139, 490135), (305, 223373), (695, 98027), (1607, 42395), (8035, 8479)]