1276393554

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{998743}}^1$

素因数の和:998822

約数の個数: 24

約数和(自身を含む): 2804473152

約数和(自身を除く): 1528079598

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 998743, 1997486, 2996229, 5992458, 8988687, 17977374, 70910753, 141821506, 212732259, 425464518, 638196777, 1276393554]

約数ペア:

[(1, 1276393554), (2, 638196777), (3, 425464518), (6, 212732259), (9, 141821506), (18, 70910753), (71, 17977374), (142, 8988687), (213, 5992458), (426, 2996229), (639, 1997486), (1278, 998743)]