217389892705

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{2503}}^1\times {\mathrm{423667}}^1$

素因数の和:426216

約数の個数: 16

約数和(自身を含む): 267337897344

約数和(自身を除く): 49948004639

約数列:

[1, 5, 41, 205, 2503, 12515, 102623, 423667, 513115, 2118335, 17370347, 86851735, 1060438501, 5302192505, 43477978541, 217389892705]

約数ペア:

[(1, 217389892705), (5, 43477978541), (41, 5302192505), (205, 1060438501), (2503, 86851735), (12515, 17370347), (102623, 2118335), (423667, 513115)]