66985775

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1201}}^1$

素因数の和:1331

約数の個数: 24

約数和(自身を含む): 87640224

約数和(自身を除く): 20654449

約数列:

[1, 5, 23, 25, 97, 115, 485, 575, 1201, 2231, 2425, 6005, 11155, 27623, 30025, 55775, 116497, 138115, 582485, 690575, 2679431, 2912425, 13397155, 66985775]

約数ペア:

[(1, 66985775), (5, 13397155), (23, 2912425), (25, 2679431), (97, 690575), (115, 582485), (485, 138115), (575, 116497), (1201, 55775), (2231, 30025), (2425, 27623), (6005, 11155)]