81294410

素因数分解:

$2^1\times 5^1\times {\mathrm{907}}^1\times {\mathrm{8963}}^1$

素因数の和:9877

約数の個数: 16

約数和(自身を含む): 146507616

約数和(自身を除く): 65213206

約数列:

[1, 2, 5, 10, 907, 1814, 4535, 8963, 9070, 17926, 44815, 89630, 8129441, 16258882, 40647205, 81294410]

約数ペア:

[(1, 81294410), (2, 40647205), (5, 16258882), (10, 8129441), (907, 89630), (1814, 44815), (4535, 17926), (8963, 9070)]