2117665

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:432

約数の個数: 16

約数和(自身を含む): 2802240

約数和(自身を除く): 684575

約数列:

[1, 5, 11, 55, 139, 277, 695, 1385, 1529, 3047, 7645, 15235, 38503, 192515, 423533, 2117665]

約数ペア:

[(1, 2117665), (5, 423533), (11, 192515), (55, 38503), (139, 15235), (277, 7645), (695, 3047), (1385, 1529)]