81757072

素因数分解:

$2^4\times {\mathrm{2213}}^1\times {\mathrm{2309}}^1$

素因数の和:4530

約数の個数: 20

約数和(自身を含む): 158544540

約数和(自身を除く): 76787468

約数列:

[1, 2, 4, 8, 16, 2213, 2309, 4426, 4618, 8852, 9236, 17704, 18472, 35408, 36944, 5109817, 10219634, 20439268, 40878536, 81757072]

約数ペア:

[(1, 81757072), (2, 40878536), (4, 20439268), (8, 10219634), (16, 5109817), (2213, 36944), (2309, 35408), (4426, 18472), (4618, 17704), (8852, 9236)]