2197556

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{1901}}^1$

素因数の和:1939

約数の個数: 18

約数和(自身を含む): 4087398

約数和(自身を除く): 1889842

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 1901, 3802, 7604, 32317, 64634, 129268, 549389, 1098778, 2197556]

約数ペア:

[(1, 2197556), (2, 1098778), (4, 549389), (17, 129268), (34, 64634), (68, 32317), (289, 7604), (578, 3802), (1156, 1901)]