2139655

素因数分解:

$5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{541}}^1$

素因数の和:666

約数の個数: 16

約数和(自身を含む): 2965824

約数和(自身を除く): 826169

約数列:

[1, 5, 7, 35, 113, 541, 565, 791, 2705, 3787, 3955, 18935, 61133, 305665, 427931, 2139655]

約数ペア:

[(1, 2139655), (5, 427931), (7, 305665), (35, 61133), (113, 18935), (541, 3955), (565, 3787), (791, 2705)]