81931115

素因数分解:

$5^1\times 7^1\times {\mathrm{577}}^1\times {\mathrm{4057}}^1$

素因数の和:4646

約数の個数: 16

約数和(自身を含む): 112585152

約数和(自身を除く): 30654037

約数列:

[1, 5, 7, 35, 577, 2885, 4039, 4057, 20195, 20285, 28399, 141995, 2340889, 11704445, 16386223, 81931115]

約数ペア:

[(1, 81931115), (5, 16386223), (7, 11704445), (35, 2340889), (577, 141995), (2885, 28399), (4039, 20285), (4057, 20195)]