128213853817

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{30781}}^1$

素因数の和:30922

約数の個数: 48

約数和(自身を含む): 163297278720

約数和(自身を除く): 35083424903

約数列:

[1, 7, 17, 29, 71, 119, 203, 289, 493, 497, 1207, 2023, 2059, 3451, 8381, 8449, 14413, 20519, 30781, 35003, 58667, 143633, 215467, 245021, 523277, 595051, 892649, 2185451, 3662939, 4165357, 6248543, 8895709, 15175033, 15298157, 37152667, 62269963, 63378079, 106225231, 257975561, 260068669, 443646553, 631595339, 1077427343, 1805828927, 4421167373, 7541991401, 18316264831, 128213853817]

約数ペア:

[(1, 128213853817), (7, 18316264831), (17, 7541991401), (29, 4421167373), (71, 1805828927), (119, 1077427343), (203, 631595339), (289, 443646553), (493, 260068669), (497, 257975561), (1207, 106225231), (2023, 63378079), (2059, 62269963), (3451, 37152667), (8381, 15298157), (8449, 15175033), (14413, 8895709), (20519, 6248543), (30781, 4165357), (35003, 3662939), (58667, 2185451), (143633, 892649), (215467, 595051), (245021, 523277)]