12821488870

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{9358751}}^1$

素因数の和:9358895

約数の個数: 16

約数和(自身を含む): 23247139968

約数和(自身を除く): 10425651098

約数列:

[1, 2, 5, 10, 137, 274, 685, 1370, 9358751, 18717502, 46793755, 93587510, 1282148887, 2564297774, 6410744435, 12821488870]

約数ペア:

[(1, 12821488870), (2, 6410744435), (5, 2564297774), (10, 1282148887), (137, 93587510), (274, 46793755), (685, 18717502), (1370, 9358751)]