8642065

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:372

約数の個数: 16

約数和(自身を含む): 10636560

約数和(自身を除く): 1994495

約数列:

[1, 5, 101, 109, 157, 505, 545, 785, 11009, 15857, 17113, 55045, 79285, 85565, 1728413, 8642065]

約数ペア:

[(1, 8642065), (5, 1728413), (101, 85565), (109, 79285), (157, 55045), (505, 17113), (545, 15857), (785, 11009)]