220663312

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{1279}}^1$

素因数の和:1591

約数の個数: 40

約数和(自身を含む): 439971840

約数和(自身を除く): 219308528

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 263, 328, 526, 656, 1052, 1279, 2104, 2558, 4208, 5116, 10232, 10783, 20464, 21566, 43132, 52439, 86264, 104878, 172528, 209756, 336377, 419512, 672754, 839024, 1345508, 2691016, 5382032, 13791457, 27582914, 55165828, 110331656, 220663312]

約数ペア:

[(1, 220663312), (2, 110331656), (4, 55165828), (8, 27582914), (16, 13791457), (41, 5382032), (82, 2691016), (164, 1345508), (263, 839024), (328, 672754), (526, 419512), (656, 336377), (1052, 209756), (1279, 172528), (2104, 104878), (2558, 86264), (4208, 52439), (5116, 43132), (10232, 21566), (10783, 20464)]