2840065

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:360

約数の個数: 16

約数和(自身を含む): 3580416

約数和(自身を除く): 740351

約数列:

[1, 5, 31, 73, 155, 251, 365, 1255, 2263, 7781, 11315, 18323, 38905, 91615, 568013, 2840065]

約数ペア:

[(1, 2840065), (5, 568013), (31, 91615), (73, 38905), (155, 18323), (251, 11315), (365, 7781), (1255, 2263)]