253820281

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1847}}^1$

素因数の和:1933

約数の個数: 24

約数和(自身を含む): 308290752

約数和(自身を除く): 54470471

約数列:

[1, 11, 13, 31, 143, 341, 403, 961, 1847, 4433, 10571, 12493, 20317, 24011, 57257, 137423, 264121, 629827, 744341, 1774967, 8187751, 19524637, 23074571, 253820281]

約数ペア:

[(1, 253820281), (11, 23074571), (13, 19524637), (31, 8187751), (143, 1774967), (341, 744341), (403, 629827), (961, 264121), (1847, 137423), (4433, 57257), (10571, 24011), (12493, 20317)]