81120944

素因数分解:

$2^4\times {\mathrm{709}}^1\times {\mathrm{7151}}^1$

素因数の和:7868

約数の個数: 20

約数和(自身を含む): 157415520

約数和(自身を除く): 76294576

約数列:

[1, 2, 4, 8, 16, 709, 1418, 2836, 5672, 7151, 11344, 14302, 28604, 57208, 114416, 5070059, 10140118, 20280236, 40560472, 81120944]

約数ペア:

[(1, 81120944), (2, 40560472), (4, 20280236), (8, 10140118), (16, 5070059), (709, 114416), (1418, 57208), (2836, 28604), (5672, 14302), (7151, 11344)]