81976216

素因数分解:

$2^3\times 7^2\times {\mathrm{209123}}^1$

素因数の和:209143

約数の個数: 24

約数和(自身を含む): 178801020

約数和(自身を除く): 96824804

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 209123, 418246, 836492, 1463861, 1672984, 2927722, 5855444, 10247027, 11710888, 20494054, 40988108, 81976216]

約数ペア:

[(1, 81976216), (2, 40988108), (4, 20494054), (7, 11710888), (8, 10247027), (14, 5855444), (28, 2927722), (49, 1672984), (56, 1463861), (98, 836492), (196, 418246), (392, 209123)]