128571841

素因数分解:

${\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{499}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 138240000

約数和(自身を除く): 9668159

約数列:

[1, 19, 71, 191, 499, 1349, 3629, 9481, 13561, 35429, 95309, 257659, 673151, 1810871, 6766939, 128571841]

約数ペア:

[(1, 128571841), (19, 6766939), (71, 1810871), (191, 673151), (499, 257659), (1349, 95309), (3629, 35429), (9481, 13561)]