15815212

素因数分解:

$2^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1381}}^1$

素因数の和:1801

約数の個数: 24

約数和(自身を含む): 31730720

約数和(自身を除く): 15915508

約数列:

[1, 2, 4, 7, 14, 28, 409, 818, 1381, 1636, 2762, 2863, 5524, 5726, 9667, 11452, 19334, 38668, 564829, 1129658, 2259316, 3953803, 7907606, 15815212]

約数ペア:

[(1, 15815212), (2, 7907606), (4, 3953803), (7, 2259316), (14, 1129658), (28, 564829), (409, 38668), (818, 19334), (1381, 11452), (1636, 9667), (2762, 5726), (2863, 5524)]