81221966

素因数分解:

$2^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{32411}}^1$

素因数の和:32599

約数の個数: 16

約数和(自身を含む): 140019840

約数和(自身を除く): 58797874

約数列:

[1, 2, 7, 14, 179, 358, 1253, 2506, 32411, 64822, 226877, 453754, 5801569, 11603138, 40610983, 81221966]

約数ペア:

[(1, 81221966), (2, 40610983), (7, 11603138), (14, 5801569), (179, 453754), (358, 226877), (1253, 64822), (2506, 32411)]