71364215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 102120480

約数和(自身を除く): 30756265

約数列:

[1, 5, 13, 17, 29, 65, 85, 131, 145, 221, 289, 377, 493, 655, 1105, 1445, 1703, 1885, 2227, 2465, 3757, 3799, 6409, 8381, 8515, 11135, 18785, 18995, 28951, 32045, 37859, 41905, 49387, 64583, 108953, 144755, 189295, 246935, 322915, 492167, 544765, 839579, 1097911, 2460835, 4197895, 5489555, 14272843, 71364215]

約数ペア:

[(1, 71364215), (5, 14272843), (13, 5489555), (17, 4197895), (29, 2460835), (65, 1097911), (85, 839579), (131, 544765), (145, 492167), (221, 322915), (289, 246935), (377, 189295), (493, 144755), (655, 108953), (1105, 64583), (1445, 49387), (1703, 41905), (1885, 37859), (2227, 32045), (2465, 28951), (3757, 18995), (3799, 18785), (6409, 11135), (8381, 8515)]