81654636

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{972079}}^1$

素因数の和:972093

約数の個数: 24

約数和(自身を含む): 217745920

約数和(自身を除く): 136091284

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 972079, 1944158, 2916237, 3888316, 5832474, 6804553, 11664948, 13609106, 20413659, 27218212, 40827318, 81654636]

約数ペア:

[(1, 81654636), (2, 40827318), (3, 27218212), (4, 20413659), (6, 13609106), (7, 11664948), (12, 6804553), (14, 5832474), (21, 3888316), (28, 2916237), (42, 1944158), (84, 972079)]