129728665

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 174758400

約数和(自身を除く): 45029735

約数列:

[1, 5, 11, 55, 73, 79, 365, 395, 409, 803, 869, 2045, 4015, 4345, 4499, 5767, 22495, 28835, 29857, 32311, 63437, 149285, 161555, 317185, 328427, 355421, 1642135, 1777105, 2358703, 11793515, 25945733, 129728665]

約数ペア:

[(1, 129728665), (5, 25945733), (11, 11793515), (55, 2358703), (73, 1777105), (79, 1642135), (365, 355421), (395, 328427), (409, 317185), (803, 161555), (869, 149285), (2045, 63437), (4015, 32311), (4345, 29857), (4499, 28835), (5767, 22495)]