2021781535

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{72949}}^1$

素因数の和:73218

約数の個数: 16

約数和(自身を含む): 2542161600

約数和(自身を除く): 520380065

約数列:

[1, 5, 23, 115, 241, 1205, 5543, 27715, 72949, 364745, 1677827, 8389135, 17580709, 87903545, 404356307, 2021781535]

約数ペア:

[(1, 2021781535), (5, 404356307), (23, 87903545), (115, 17580709), (241, 8389135), (1205, 1677827), (5543, 364745), (27715, 72949)]