1278603221

素因数分解:

$7^1\times {\mathrm{151}}^1\times {\mathrm{419}}^1\times {\mathrm{2887}}^1$

素因数の和:3464

約数の個数: 16

約数和(自身を含む): 1474959360

約数和(自身を除く): 196356139

約数列:

[1, 7, 151, 419, 1057, 2887, 2933, 20209, 63269, 435937, 442883, 1209653, 3051559, 8467571, 182657603, 1278603221]

約数ペア:

[(1, 1278603221), (7, 182657603), (151, 8467571), (419, 3051559), (1057, 1209653), (2887, 442883), (2933, 435937), (20209, 63269)]