1291215436

素因数分解:

$2^2\times 7^1\times {\mathrm{2857}}^1\times {\mathrm{16141}}^1$

素因数の和:19009

約数の個数: 24

約数和(自身を含む): 2583494816

約数和(自身を除く): 1292279380

約数列:

[1, 2, 4, 7, 14, 28, 2857, 5714, 11428, 16141, 19999, 32282, 39998, 64564, 79996, 112987, 225974, 451948, 46114837, 92229674, 184459348, 322803859, 645607718, 1291215436]

約数ペア:

[(1, 1291215436), (2, 645607718), (4, 322803859), (7, 184459348), (14, 92229674), (28, 46114837), (2857, 451948), (5714, 225974), (11428, 112987), (16141, 79996), (19999, 64564), (32282, 39998)]