81502255

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{3529}}^1$

素因数の和:3714

約数の個数: 16

約数和(自身を含む): 101664000

約数和(自身を除く): 20161745

約数列:

[1, 5, 31, 149, 155, 745, 3529, 4619, 17645, 23095, 109399, 525821, 546995, 2629105, 16300451, 81502255]

約数ペア:

[(1, 81502255), (5, 16300451), (31, 2629105), (149, 546995), (155, 525821), (745, 109399), (3529, 23095), (4619, 17645)]