1255235665

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{20549}}^1$

素因数の和:21216

約数の個数: 16

約数和(自身を含む): 1588104000

約数和(自身を除く): 332868335

約数列:

[1, 5, 19, 95, 643, 3215, 12217, 20549, 61085, 102745, 390431, 1952155, 13213007, 66065035, 251047133, 1255235665]

約数ペア:

[(1, 1255235665), (5, 251047133), (19, 66065035), (95, 13213007), (643, 1952155), (3215, 390431), (12217, 102745), (20549, 61085)]