257831239

素因数分解:

${\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:558

約数の個数: 16

約数和(自身を含む): 267120000

約数和(自身を除く): 9288761

約数列:

[1, 59, 139, 149, 211, 8201, 8791, 12449, 20711, 29329, 31439, 1221949, 1730411, 1854901, 4370021, 257831239]

約数ペア:

[(1, 257831239), (59, 4370021), (139, 1854901), (149, 1730411), (211, 1221949), (8201, 31439), (8791, 29329), (12449, 20711)]