64621556

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{55901}}^1$

素因数の和:55939

約数の個数: 18

約数和(自身を含む): 120133398

約数和(自身を除く): 55511842

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 55901, 111802, 223604, 950317, 1900634, 3801268, 16155389, 32310778, 64621556]

約数ペア:

[(1, 64621556), (2, 32310778), (4, 16155389), (17, 3801268), (34, 1900634), (68, 950317), (289, 223604), (578, 111802), (1156, 55901)]