78564746

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{21739}}^1$

素因数の和:21893

約数の個数: 16

約数和(自身を含む): 127831200

約数和(自身を除く): 49266454

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 21739, 43478, 282607, 565214, 3021721, 6043442, 39282373, 78564746]

約数ペア:

[(1, 78564746), (2, 39282373), (13, 6043442), (26, 3021721), (139, 565214), (278, 282607), (1807, 43478), (3614, 21739)]