681566228

素因数分解:

$2^2\times 7^1\times {\mathrm{1811}}^1\times {\mathrm{13441}}^1$

素因数の和:15263

約数の個数: 24

約数和(自身を含む): 1363986624

約数和(自身を除く): 682420396

約数列:

[1, 2, 4, 7, 14, 28, 1811, 3622, 7244, 12677, 13441, 25354, 26882, 50708, 53764, 94087, 188174, 376348, 24341651, 48683302, 97366604, 170391557, 340783114, 681566228]

約数ペア:

[(1, 681566228), (2, 340783114), (4, 170391557), (7, 97366604), (14, 48683302), (28, 24341651), (1811, 376348), (3622, 188174), (7244, 94087), (12677, 53764), (13441, 50708), (25354, 26882)]