81992915

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{827}}^1$

素因数の和:1162

約数の個数: 16

約数和(自身を含む): 100154880

約数和(自身を除く): 18161965

約数列:

[1, 5, 79, 251, 395, 827, 1255, 4135, 19829, 65333, 99145, 207577, 326665, 1037885, 16398583, 81992915]

約数ペア:

[(1, 81992915), (5, 16398583), (79, 1037885), (251, 326665), (395, 207577), (827, 99145), (1255, 65333), (4135, 19829)]