221420156

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{457}}^1\times {\mathrm{2053}}^1$

素因数の和:2573

約数の個数: 24

約数和(自身を含む): 395107440

約数和(自身を除く): 173687284

約数列:

[1, 2, 4, 59, 118, 236, 457, 914, 1828, 2053, 4106, 8212, 26963, 53926, 107852, 121127, 242254, 484508, 938221, 1876442, 3752884, 55355039, 110710078, 221420156]

約数ペア:

[(1, 221420156), (2, 110710078), (4, 55355039), (59, 3752884), (118, 1876442), (236, 938221), (457, 484508), (914, 242254), (1828, 121127), (2053, 107852), (4106, 53926), (8212, 26963)]