28156212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{111731}}^1$

素因数の和:111748

約数の個数: 36

約数和(自身を含む): 81340896

約数和(自身を除く): 53184684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 111731, 223462, 335193, 446924, 670386, 782117, 1005579, 1340772, 1564234, 2011158, 2346351, 3128468, 4022316, 4692702, 7039053, 9385404, 14078106, 28156212]

約数ペア:

[(1, 28156212), (2, 14078106), (3, 9385404), (4, 7039053), (6, 4692702), (7, 4022316), (9, 3128468), (12, 2346351), (14, 2011158), (18, 1564234), (21, 1340772), (28, 1005579), (36, 782117), (42, 670386), (63, 446924), (84, 335193), (126, 223462), (252, 111731)]