978012763

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{1019}}^1$

素因数の和:1291

約数の個数: 32

約数和(自身を含む): 1233792000

約数和(自身を除く): 255779237

約数列:

[1, 7, 13, 53, 91, 199, 371, 689, 1019, 1393, 2587, 4823, 7133, 10547, 13247, 18109, 54007, 73829, 92729, 137111, 202781, 378049, 702091, 959777, 1419467, 2636153, 4914637, 10747393, 18453071, 75231751, 139716109, 978012763]

約数ペア:

[(1, 978012763), (7, 139716109), (13, 75231751), (53, 18453071), (91, 10747393), (199, 4914637), (371, 2636153), (689, 1419467), (1019, 959777), (1393, 702091), (2587, 378049), (4823, 202781), (7133, 137111), (10547, 92729), (13247, 73829), (18109, 54007)]