205361956

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{6449}}^1$

素因数の和:6891

約数の個数: 24

約数和(自身を含む): 379260000

約数和(自身を除く): 173898044

約数列:

[1, 2, 4, 19, 38, 76, 419, 838, 1676, 6449, 7961, 12898, 15922, 25796, 31844, 122531, 245062, 490124, 2702131, 5404262, 10808524, 51340489, 102680978, 205361956]

約数ペア:

[(1, 205361956), (2, 102680978), (4, 51340489), (19, 10808524), (38, 5404262), (76, 2702131), (419, 490124), (838, 245062), (1676, 122531), (6449, 31844), (7961, 25796), (12898, 15922)]