12889525

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{4261}}^1$

素因数の和:4293

約数の個数: 18

約数和(自身を含む): 17572226

約数和(自身を除く): 4682701

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 4261, 21305, 46871, 106525, 234355, 515581, 1171775, 2577905, 12889525]

約数ペア:

[(1, 12889525), (5, 2577905), (11, 1171775), (25, 515581), (55, 234355), (121, 106525), (275, 46871), (605, 21305), (3025, 4261)]