28315308

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{647}}^1$

素因数の和:1182

約数の個数: 48

約数和(自身を含む): 75769344

約数和(自身を除く): 47454036

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 521, 647, 1042, 1294, 1563, 1941, 2084, 2588, 3126, 3647, 3882, 4529, 6252, 7294, 7764, 9058, 10941, 13587, 14588, 18116, 21882, 27174, 43764, 54348, 337087, 674174, 1011261, 1348348, 2022522, 2359609, 4045044, 4719218, 7078827, 9438436, 14157654, 28315308]

約数ペア:

[(1, 28315308), (2, 14157654), (3, 9438436), (4, 7078827), (6, 4719218), (7, 4045044), (12, 2359609), (14, 2022522), (21, 1348348), (28, 1011261), (42, 674174), (84, 337087), (521, 54348), (647, 43764), (1042, 27174), (1294, 21882), (1563, 18116), (1941, 14588), (2084, 13587), (2588, 10941), (3126, 9058), (3647, 7764), (3882, 7294), (4529, 6252)]