81525505

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{6337}}^1$

素因数の和:6456

約数の個数: 16

約数和(自身を含む): 102219264

約数和(自身を除く): 20693759

約数列:

[1, 5, 31, 83, 155, 415, 2573, 6337, 12865, 31685, 196447, 525971, 982235, 2629855, 16305101, 81525505]

約数ペア:

[(1, 81525505), (5, 16305101), (31, 2629855), (83, 982235), (155, 525971), (415, 196447), (2573, 31685), (6337, 12865)]