978013001

素因数分解:

$7^2\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{1427}}^1$

素因数の和:1709

約数の個数: 24

約数和(自身を含む): 1160381376

約数和(自身を除く): 182368375

約数列:

[1, 7, 49, 71, 197, 497, 1379, 1427, 3479, 9653, 9989, 13987, 69923, 97909, 101317, 281119, 685363, 709219, 1967833, 4964533, 13774831, 19959449, 139716143, 978013001]

約数ペア:

[(1, 978013001), (7, 139716143), (49, 19959449), (71, 13774831), (197, 4964533), (497, 1967833), (1379, 709219), (1427, 685363), (3479, 281119), (9653, 101317), (9989, 97909), (13987, 69923)]