81702905

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1\times {\mathrm{661}}^1$

素因数の和:1144

約数の個数: 16

約数和(自身を含む): 100094400

約数和(自身を除く): 18391495

約数列:

[1, 5, 59, 295, 419, 661, 2095, 3305, 24721, 38999, 123605, 194995, 276959, 1384795, 16340581, 81702905]

約数ペア:

[(1, 81702905), (5, 16340581), (59, 1384795), (295, 276959), (419, 194995), (661, 123605), (2095, 38999), (3305, 24721)]