4197895

素因数分解:

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

素因数の和:195

約数の個数: 32

約数和(自身を含む): 5987520

約数和(自身を除く): 1789625

約数列:

[1, 5, 13, 17, 29, 65, 85, 131, 145, 221, 377, 493, 655, 1105, 1703, 1885, 2227, 2465, 3799, 6409, 8515, 11135, 18995, 28951, 32045, 49387, 64583, 144755, 246935, 322915, 839579, 4197895]

約数ペア:

[(1, 4197895), (5, 839579), (13, 322915), (17, 246935), (29, 144755), (65, 64583), (85, 49387), (131, 32045), (145, 28951), (221, 18995), (377, 11135), (493, 8515), (655, 6409), (1105, 3799), (1703, 2465), (1885, 2227)]