681036665

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{11149}}^1$

素因数の和:11816

約数の個数: 16

約数和(自身を含む): 861672000

約数和(自身を除く): 180635335

約数列:

[1, 5, 19, 95, 643, 3215, 11149, 12217, 55745, 61085, 211831, 1059155, 7168807, 35844035, 136207333, 681036665]

約数ペア:

[(1, 681036665), (5, 136207333), (19, 35844035), (95, 7168807), (643, 1059155), (3215, 211831), (11149, 61085), (12217, 55745)]