28720188

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{113969}}^1$

素因数の和:113986

約数の個数: 36

約数和(自身を含む): 82970160

約数和(自身を除く): 54249972

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 113969, 227938, 341907, 455876, 683814, 797783, 1025721, 1367628, 1595566, 2051442, 2393349, 3191132, 4102884, 4786698, 7180047, 9573396, 14360094, 28720188]

約数ペア:

[(1, 28720188), (2, 14360094), (3, 9573396), (4, 7180047), (6, 4786698), (7, 4102884), (9, 3191132), (12, 2393349), (14, 2051442), (18, 1595566), (21, 1367628), (28, 1025721), (36, 797783), (42, 683814), (63, 455876), (84, 341907), (126, 227938), (252, 113969)]