12788105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 17635968

約数和(自身を除く): 4847863

約数列:

[1, 5, 11, 41, 53, 55, 107, 205, 265, 451, 535, 583, 1177, 2173, 2255, 2915, 4387, 5671, 5885, 10865, 21935, 23903, 28355, 48257, 62381, 119515, 232511, 241285, 311905, 1162555, 2557621, 12788105]

約数ペア:

[(1, 12788105), (5, 2557621), (11, 1162555), (41, 311905), (53, 241285), (55, 232511), (107, 119515), (205, 62381), (265, 48257), (451, 28355), (535, 23903), (583, 21935), (1177, 10865), (2173, 5885), (2255, 5671), (2915, 4387)]