8009911

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:175

約数の個数: 32

約数和(自身を含む): 10644480

約数和(自身を除く): 2634569

約数列:

[1, 7, 13, 23, 43, 89, 91, 161, 299, 301, 559, 623, 989, 1157, 2047, 2093, 3827, 3913, 6923, 8099, 12857, 14329, 26611, 26789, 49751, 88021, 89999, 186277, 348257, 616147, 1144273, 8009911]

約数ペア:

[(1, 8009911), (7, 1144273), (13, 616147), (23, 348257), (43, 186277), (89, 89999), (91, 88021), (161, 49751), (299, 26789), (301, 26611), (559, 14329), (623, 12857), (989, 8099), (1157, 6923), (2047, 3913), (2093, 3827)]