221526895

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 280615104

約数和(自身を除く): 59088209

約数列:

[1, 5, 41, 73, 113, 131, 205, 365, 565, 655, 2993, 4633, 5371, 8249, 9563, 14803, 14965, 23165, 26855, 41245, 47815, 74015, 338209, 392083, 606923, 1080619, 1691045, 1960415, 3034615, 5403095, 44305379, 221526895]

約数ペア:

[(1, 221526895), (5, 44305379), (41, 5403095), (73, 3034615), (113, 1960415), (131, 1691045), (205, 1080619), (365, 606923), (565, 392083), (655, 338209), (2993, 74015), (4633, 47815), (5371, 41245), (8249, 26855), (9563, 23165), (14803, 14965)]