1387447727981

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{739}}^1\times {\mathrm{4396877}}^1$

素因数の和:4397684

約数の個数: 16

約数和(自身を含む): 1613830101120

約数和(自身を除く): 226382373139

約数列:

[1, 7, 61, 427, 739, 5173, 45079, 315553, 4396877, 30778139, 268209497, 1877466479, 3249292103, 22745044721, 198206818283, 1387447727981]

約数ペア:

[(1, 1387447727981), (7, 198206818283), (61, 22745044721), (427, 3249292103), (739, 1877466479), (5173, 268209497), (45079, 30778139), (315553, 4396877)]