80389204

素因数分解:

$2^2\times 7^2\times {\mathrm{410149}}^1$

素因数の和:410167

約数の個数: 18

約数和(自身を含む): 163649850

約数和(自身を除く): 83260646

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 410149, 820298, 1640596, 2871043, 5742086, 11484172, 20097301, 40194602, 80389204]

約数ペア:

[(1, 80389204), (2, 40194602), (4, 20097301), (7, 11484172), (14, 5742086), (28, 2871043), (49, 1640596), (98, 820298), (196, 410149)]