220440668

素因数分解:

$2^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{47143}}^1$

素因数の和:47321

約数の個数: 24

約数和(自身を含む): 443530752

約数和(自身を除く): 223090084

約数列:

[1, 2, 4, 7, 14, 28, 167, 334, 668, 1169, 2338, 4676, 47143, 94286, 188572, 330001, 660002, 1320004, 7872881, 15745762, 31491524, 55110167, 110220334, 220440668]

約数ペア:

[(1, 220440668), (2, 110220334), (4, 55110167), (7, 31491524), (14, 15745762), (28, 7872881), (167, 1320004), (334, 660002), (668, 330001), (1169, 188572), (2338, 94286), (4676, 47143)]