978187834

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{139861}}^1$

素因数の和:140145

約数の個数: 16

約数和(自身を含む): 1586035080

約数和(自身を除く): 607847246

約数列:

[1, 2, 13, 26, 269, 538, 3497, 6994, 139861, 279722, 1818193, 3636386, 37622609, 75245218, 489093917, 978187834]

約数ペア:

[(1, 978187834), (2, 489093917), (13, 75245218), (26, 37622609), (269, 3636386), (538, 1818193), (3497, 279722), (6994, 139861)]