664105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{601}}^1$

素因数の和:636

約数の個数: 16

約数和(自身を含む): 910224

約数和(自身を除く): 246119

約数列:

[1, 5, 13, 17, 65, 85, 221, 601, 1105, 3005, 7813, 10217, 39065, 51085, 132821, 664105]

約数ペア:

[(1, 664105), (5, 132821), (13, 51085), (17, 39065), (65, 10217), (85, 7813), (221, 3005), (601, 1105)]