388638522

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{304099}}^1$

素因数の和:304178

約数の個数: 24

約数和(自身を含む): 853912800

約数和(自身を除く): 465274278

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 304099, 608198, 912297, 1824594, 2736891, 5473782, 21591029, 43182058, 64773087, 129546174, 194319261, 388638522]

約数ペア:

[(1, 388638522), (2, 194319261), (3, 129546174), (6, 64773087), (9, 43182058), (18, 21591029), (71, 5473782), (142, 2736891), (213, 1824594), (426, 912297), (639, 608198), (1278, 304099)]