120100019

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{2459}}^1$

素因数の和:2519

約数の個数: 18

約数和(自身を含む): 138205260

約数和(自身を除く): 18105241

約数列:

[1, 13, 17, 169, 221, 289, 2459, 2873, 3757, 31967, 41803, 48841, 415571, 543439, 710651, 7064707, 9238463, 120100019]

約数ペア:

[(1, 120100019), (13, 9238463), (17, 7064707), (169, 710651), (221, 543439), (289, 415571), (2459, 48841), (2873, 41803), (3757, 31967)]