81890844

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{974891}}^1$

素因数の和:974905

約数の個数: 24

約数和(自身を含む): 218375808

約数和(自身を除く): 136484964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 974891, 1949782, 2924673, 3899564, 5849346, 6824237, 11698692, 13648474, 20472711, 27296948, 40945422, 81890844]

約数ペア:

[(1, 81890844), (2, 40945422), (3, 27296948), (4, 20472711), (6, 13648474), (7, 11698692), (12, 6824237), (14, 5849346), (21, 3899564), (28, 2924673), (42, 1949782), (84, 974891)]