820707986

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{421741}}^1$

素因数の和:421889

約数の個数: 16

約数和(自身を含む): 1417053120

約数和(自身を除く): 596345134

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 421741, 843482, 2952187, 5904374, 58621999, 117243998, 410353993, 820707986]

約数ペア:

[(1, 820707986), (2, 410353993), (7, 117243998), (14, 58621999), (139, 5904374), (278, 2952187), (973, 843482), (1946, 421741)]