221430104

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{208111}}^1$

素因数の和:208143

約数の個数: 32

約数和(自身を含む): 499468800

約数和(自身を除く): 278038696

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 208111, 416222, 832444, 1456777, 1664888, 2913554, 3954109, 5827108, 7908218, 11654216, 15816436, 27678763, 31632872, 55357526, 110715052, 221430104]

約数ペア:

[(1, 221430104), (2, 110715052), (4, 55357526), (7, 31632872), (8, 27678763), (14, 15816436), (19, 11654216), (28, 7908218), (38, 5827108), (56, 3954109), (76, 2913554), (133, 1664888), (152, 1456777), (266, 832444), (532, 416222), (1064, 208111)]