2900995

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:282

約数の個数: 16

約数和(自身を含む): 3624192

約数和(自身を除く): 723197

約数列:

[1, 5, 43, 103, 131, 215, 515, 655, 4429, 5633, 13493, 22145, 28165, 67465, 580199, 2900995]

約数ペア:

[(1, 2900995), (5, 580199), (43, 67465), (103, 28165), (131, 22145), (215, 13493), (515, 5633), (655, 4429)]