28657188

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{113719}}^1$

素因数の和:113736

約数の個数: 36

約数和(自身を含む): 82788160

約数和(自身を除く): 54130972

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 113719, 227438, 341157, 454876, 682314, 796033, 1023471, 1364628, 1592066, 2046942, 2388099, 3184132, 4093884, 4776198, 7164297, 9552396, 14328594, 28657188]

約数ペア:

[(1, 28657188), (2, 14328594), (3, 9552396), (4, 7164297), (6, 4776198), (7, 4093884), (9, 3184132), (12, 2388099), (14, 2046942), (18, 1592066), (21, 1364628), (28, 1023471), (36, 796033), (42, 682314), (63, 454876), (84, 341157), (126, 227438), (252, 113719)]