81235408

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{83233}}^1$

素因数の和:83302

約数の個数: 20

約数和(自身を含む): 159975748

約数和(自身を除く): 78740340

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 83233, 166466, 332932, 665864, 1331728, 5077213, 10154426, 20308852, 40617704, 81235408]

約数ペア:

[(1, 81235408), (2, 40617704), (4, 20308852), (8, 10154426), (16, 5077213), (61, 1331728), (122, 665864), (244, 332932), (488, 166466), (976, 83233)]