263807999

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{523}}^1$

素因数の和:807

約数の個数: 32

約数和(自身を含む): 340859904

約数和(自身を除く): 77051905

約数列:

[1, 7, 13, 23, 91, 161, 241, 299, 523, 1687, 2093, 3133, 3661, 5543, 6799, 12029, 21931, 38801, 47593, 72059, 84203, 126043, 156377, 504413, 882301, 1094639, 1638559, 2898989, 11469913, 20292923, 37686857, 263807999]

約数ペア:

[(1, 263807999), (7, 37686857), (13, 20292923), (23, 11469913), (91, 2898989), (161, 1638559), (241, 1094639), (299, 882301), (523, 504413), (1687, 156377), (2093, 126043), (3133, 84203), (3661, 72059), (5543, 47593), (6799, 38801), (12029, 21931)]