2489575

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{823}}^1$

素因数の和:855

約数の個数: 18

約数和(自身を含む): 3397352

約数和(自身を除く): 907777

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 823, 3025, 4115, 9053, 20575, 45265, 99583, 226325, 497915, 2489575]

約数ペア:

[(1, 2489575), (5, 497915), (11, 226325), (25, 99583), (55, 45265), (121, 20575), (275, 9053), (605, 4115), (823, 3025)]