81714905

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{3907}}^1$

素因数の和:4048

約数の個数: 16

約数和(自身を含む): 101295360

約数和(自身を除く): 19580455

約数列:

[1, 5, 47, 89, 235, 445, 3907, 4183, 19535, 20915, 183629, 347723, 918145, 1738615, 16342981, 81714905]

約数ペア:

[(1, 81714905), (5, 16342981), (47, 1738615), (89, 918145), (235, 347723), (445, 183629), (3907, 20915), (4183, 19535)]