81631610

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{18427}}^1$

素因数の和:18877

約数の個数: 16

約数和(自身を含む): 147276576

約数和(自身を除く): 65644966

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4430, 18427, 36854, 92135, 184270, 8163161, 16326322, 40815805, 81631610]

約数ペア:

[(1, 81631610), (2, 40815805), (5, 16326322), (10, 8163161), (443, 184270), (886, 92135), (2215, 36854), (4430, 18427)]