198921217

素因数分解:

${\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 226769256

約数和(自身を除く): 27848039

約数列:

[1, 11, 41, 101, 121, 397, 451, 1111, 4141, 4367, 4961, 12221, 16277, 40097, 45551, 48037, 179047, 441067, 501061, 1643977, 1969517, 4851737, 18083747, 198921217]

約数ペア:

[(1, 198921217), (11, 18083747), (41, 4851737), (101, 1969517), (121, 1643977), (397, 501061), (451, 441067), (1111, 179047), (4141, 48037), (4367, 45551), (4961, 40097), (12221, 16277)]