47640145

素因数分解:

$5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{12721}}^1$

素因数の和:12840

約数の個数: 16

約数和(自身を含む): 65950848

約数和(自身を除く): 18310703

約数列:

[1, 5, 7, 35, 107, 535, 749, 3745, 12721, 63605, 89047, 445235, 1361147, 6805735, 9528029, 47640145]

約数ペア:

[(1, 47640145), (5, 9528029), (7, 6805735), (35, 1361147), (107, 445235), (535, 89047), (749, 63605), (3745, 12721)]