128042317

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 148074696

約数和(自身を除く): 20032379

約数列:

[1, 13, 17, 173, 197, 221, 289, 2249, 2561, 2941, 3349, 3757, 34081, 38233, 43537, 49997, 56933, 443053, 579377, 649961, 740129, 7531901, 9849409, 128042317]

約数ペア:

[(1, 128042317), (13, 9849409), (17, 7531901), (173, 740129), (197, 649961), (221, 579377), (289, 443053), (2249, 56933), (2561, 49997), (2941, 43537), (3349, 38233), (3757, 34081)]