28213668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{111959}}^1$

素因数の和:111976

約数の個数: 36

約数和(自身を含む): 81506880

約数和(自身を除く): 53293212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 111959, 223918, 335877, 447836, 671754, 783713, 1007631, 1343508, 1567426, 2015262, 2351139, 3134852, 4030524, 4702278, 7053417, 9404556, 14106834, 28213668]

約数ペア:

[(1, 28213668), (2, 14106834), (3, 9404556), (4, 7053417), (6, 4702278), (7, 4030524), (9, 3134852), (12, 2351139), (14, 2015262), (18, 1567426), (21, 1343508), (28, 1007631), (36, 783713), (42, 671754), (63, 447836), (84, 335877), (126, 223918), (252, 111959)]