1257920026

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{487}}^1\times {\mathrm{857}}^1$

素因数の和:1494

約数の個数: 32

約数和(自身を含む): 2080121472

約数和(自身を除く): 822201446

約数列:

[1, 2, 11, 22, 137, 274, 487, 857, 974, 1507, 1714, 3014, 5357, 9427, 10714, 18854, 66719, 117409, 133438, 234818, 417359, 733909, 834718, 1291499, 1467818, 2582998, 4590949, 9181898, 57178183, 114356366, 628960013, 1257920026]

約数ペア:

[(1, 1257920026), (2, 628960013), (11, 114356366), (22, 57178183), (137, 9181898), (274, 4590949), (487, 2582998), (857, 1467818), (974, 1291499), (1507, 834718), (1714, 733909), (3014, 417359), (5357, 234818), (9427, 133438), (10714, 117409), (18854, 66719)]