72165724

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{2441}}^1$

素因数の和:2853

約数の個数: 24

約数和(自身を含む): 133333200

約数和(自身を除く): 61167476

約数列:

[1, 2, 4, 19, 38, 76, 389, 778, 1556, 2441, 4882, 7391, 9764, 14782, 29564, 46379, 92758, 185516, 949549, 1899098, 3798196, 18041431, 36082862, 72165724]

約数ペア:

[(1, 72165724), (2, 36082862), (4, 18041431), (19, 3798196), (38, 1899098), (76, 949549), (389, 185516), (778, 92758), (1556, 46379), (2441, 29564), (4882, 14782), (7391, 9764)]