1280939

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:178

約数の個数: 16

約数和(自身を含む): 1499904

約数和(自身を除く): 218965

約数列:

[1, 11, 23, 61, 83, 253, 671, 913, 1403, 1909, 5063, 15433, 20999, 55693, 116449, 1280939]

約数ペア:

[(1, 1280939), (11, 116449), (23, 55693), (61, 20999), (83, 15433), (253, 5063), (671, 1909), (913, 1403)]