157021228

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{431377}}^1$

素因数の和:431401

約数の個数: 24

約数和(自身を含む): 338200352

約数和(自身を除く): 181179124

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 431377, 862754, 1725508, 3019639, 5607901, 6039278, 11215802, 12078556, 22431604, 39255307, 78510614, 157021228]

約数ペア:

[(1, 157021228), (2, 78510614), (4, 39255307), (7, 22431604), (13, 12078556), (14, 11215802), (26, 6039278), (28, 5607901), (52, 3019639), (91, 1725508), (182, 862754), (364, 431377)]