78332930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1549}}^1$

素因数の和:1958

約数の個数: 32

約数和(自身を含む): 152334000

約数和(自身を除く): 74001070

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 389, 778, 1549, 1945, 3098, 3890, 5057, 7745, 10114, 15490, 20137, 25285, 40274, 50570, 100685, 201370, 602561, 1205122, 3012805, 6025610, 7833293, 15666586, 39166465, 78332930]

約数ペア:

[(1, 78332930), (2, 39166465), (5, 15666586), (10, 7833293), (13, 6025610), (26, 3012805), (65, 1205122), (130, 602561), (389, 201370), (778, 100685), (1549, 50570), (1945, 40274), (3098, 25285), (3890, 20137), (5057, 15490), (7745, 10114)]