12981964

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{347}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 23385600

約数和(自身を除く): 10403636

約数列:

[1, 2, 4, 47, 94, 188, 199, 347, 398, 694, 796, 1388, 9353, 16309, 18706, 32618, 37412, 65236, 69053, 138106, 276212, 3245491, 6490982, 12981964]

約数ペア:

[(1, 12981964), (2, 6490982), (4, 3245491), (47, 276212), (94, 138106), (188, 69053), (199, 65236), (347, 37412), (398, 32618), (694, 18706), (796, 16309), (1388, 9353)]