128975209

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{1399}}^1$

素因数の和:1473

約数の個数: 24

約数和(自身を含む): 154728000

約数和(自身を除く): 25752791

約数列:

[1, 11, 17, 29, 187, 289, 319, 493, 1399, 3179, 5423, 8381, 15389, 23783, 40571, 92191, 261613, 404311, 446281, 689707, 4447421, 7586777, 11725019, 128975209]

約数ペア:

[(1, 128975209), (11, 11725019), (17, 7586777), (29, 4447421), (187, 689707), (289, 446281), (319, 404311), (493, 261613), (1399, 92191), (3179, 40571), (5423, 23783), (8381, 15389)]