25979995

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 35054208

約数和(自身を除く): 9074213

約数列:

[1, 5, 17, 23, 85, 97, 115, 137, 391, 485, 685, 1649, 1955, 2231, 2329, 3151, 8245, 11155, 11645, 13289, 15755, 37927, 53567, 66445, 189635, 225913, 267835, 305647, 1129565, 1528235, 5195999, 25979995]

約数ペア:

[(1, 25979995), (5, 5195999), (17, 1528235), (23, 1129565), (85, 305647), (97, 267835), (115, 225913), (137, 189635), (391, 66445), (485, 53567), (685, 37927), (1649, 15755), (1955, 13289), (2231, 11645), (2329, 11155), (3151, 8245)]