2148065

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:248

約数の個数: 16

約数和(自身を含む): 2690688

約数和(自身を除く): 542623

約数列:

[1, 5, 43, 97, 103, 215, 485, 515, 4171, 4429, 9991, 20855, 22145, 49955, 429613, 2148065]

約数ペア:

[(1, 2148065), (5, 429613), (43, 49955), (97, 22145), (103, 20855), (215, 9991), (485, 4429), (515, 4171)]