78820945

素因数分解:

$5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{3407}}^1$

素因数の和:4080

約数の個数: 16

約数和(自身を含む): 108292608

約数和(自身を除く): 29471663

約数列:

[1, 5, 7, 35, 661, 3305, 3407, 4627, 17035, 23135, 23849, 119245, 2252027, 11260135, 15764189, 78820945]

約数ペア:

[(1, 78820945), (5, 15764189), (7, 11260135), (35, 2252027), (661, 119245), (3305, 23849), (3407, 23135), (4627, 17035)]