2100031465

素因数分解:

$5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{83219}}^1$

素因数の和:83341

約数の個数: 24

約数和(自身を含む): 2959968960

約数和(自身を除く): 859937495

約数列:

[1, 5, 7, 35, 49, 103, 245, 515, 721, 3605, 5047, 25235, 83219, 416095, 582533, 2912665, 4077731, 8571557, 20388655, 42857785, 60000899, 300004495, 420006293, 2100031465]

約数ペア:

[(1, 2100031465), (5, 420006293), (7, 300004495), (35, 60000899), (49, 42857785), (103, 20388655), (245, 8571557), (515, 4077731), (721, 2912665), (3605, 582533), (5047, 416095), (25235, 83219)]