221663704

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{13457}}^1$

素因数の和:13563

約数の個数: 32

約数和(自身を含む): 436039200

約数和(自身を除く): 214375496

約数列:

[1, 2, 4, 8, 29, 58, 71, 116, 142, 232, 284, 568, 2059, 4118, 8236, 13457, 16472, 26914, 53828, 107656, 390253, 780506, 955447, 1561012, 1910894, 3122024, 3821788, 7643576, 27707963, 55415926, 110831852, 221663704]

約数ペア:

[(1, 221663704), (2, 110831852), (4, 55415926), (8, 27707963), (29, 7643576), (58, 3821788), (71, 3122024), (116, 1910894), (142, 1561012), (232, 955447), (284, 780506), (568, 390253), (2059, 107656), (4118, 53828), (8236, 26914), (13457, 16472)]