251835181

素因数分解:

${\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 280319400

約数和(自身を除く): 28484219

約数列:

[1, 13, 73, 137, 149, 169, 949, 1781, 1937, 10001, 10877, 12337, 20413, 23153, 25181, 130013, 141401, 265369, 1490149, 1690169, 1838213, 3449797, 19371937, 251835181]

約数ペア:

[(1, 251835181), (13, 19371937), (73, 3449797), (137, 1838213), (149, 1690169), (169, 1490149), (949, 265369), (1781, 141401), (1937, 130013), (10001, 25181), (10877, 23153), (12337, 20413)]