81997636

素因数分解:

$2^2\times 7^1\times {\mathrm{719}}^1\times {\mathrm{4073}}^1$

素因数の和:4803

約数の個数: 24

約数和(自身を含む): 164263680

約数和(自身を除く): 82266044

約数列:

[1, 2, 4, 7, 14, 28, 719, 1438, 2876, 4073, 5033, 8146, 10066, 16292, 20132, 28511, 57022, 114044, 2928487, 5856974, 11713948, 20499409, 40998818, 81997636]

約数ペア:

[(1, 81997636), (2, 40998818), (4, 20499409), (7, 11713948), (14, 5856974), (28, 2928487), (719, 114044), (1438, 57022), (2876, 28511), (4073, 20132), (5033, 16292), (8146, 10066)]