220620169

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{168541}}^1$

素因数の和:168576

約数の個数: 16

約数和(自身を含む): 291240576

約数和(自身を除く): 70620407

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 168541, 1179787, 1853951, 2865197, 12977657, 20056379, 31517167, 220620169]

約数ペア:

[(1, 220620169), (7, 31517167), (11, 20056379), (17, 12977657), (77, 2865197), (119, 1853951), (187, 1179787), (1309, 168541)]