66291209

素因数分解:

${\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:560

約数の個数: 16

約数和(自身を含む): 71441280

約数和(自身を除く): 5150071

約数列:

[1, 19, 71, 157, 313, 1349, 2983, 5947, 11147, 22223, 49141, 211793, 422237, 933679, 3489011, 66291209]

約数ペア:

[(1, 66291209), (19, 3489011), (71, 933679), (157, 422237), (313, 211793), (1349, 49141), (2983, 22223), (5947, 11147)]