28732873

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 33638328

約数和(自身を除く): 4905455

約数列:

[1, 13, 17, 73, 137, 169, 221, 949, 1241, 1781, 2329, 2873, 10001, 12337, 16133, 23153, 30277, 130013, 170017, 209729, 393601, 1690169, 2210221, 28732873]

約数ペア:

[(1, 28732873), (13, 2210221), (17, 1690169), (73, 393601), (137, 209729), (169, 170017), (221, 130013), (949, 30277), (1241, 23153), (1781, 16133), (2329, 12337), (2873, 10001)]