12091705

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 15095808

約数和(自身を除く): 3004103

約数列:

[1, 5, 31, 155, 181, 431, 905, 2155, 5611, 13361, 28055, 66805, 78011, 390055, 2418341, 12091705]

約数ペア:

[(1, 12091705), (5, 2418341), (31, 390055), (155, 78011), (181, 66805), (431, 28055), (905, 13361), (2155, 5611)]