81426742

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{11971}}^1$

素因数の和:12171

約数の個数: 16

約数和(自身を含む): 129297600

約数和(自身を除く): 47870858

約数列:

[1, 2, 19, 38, 179, 358, 3401, 6802, 11971, 23942, 227449, 454898, 2142809, 4285618, 40713371, 81426742]

約数ペア:

[(1, 81426742), (2, 40713371), (19, 4285618), (38, 2142809), (179, 454898), (358, 227449), (3401, 23942), (6802, 11971)]