40904227

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 53972352

約数和(自身を除く): 13068125

約数列:

[1, 7, 13, 17, 91, 119, 137, 193, 221, 959, 1351, 1547, 1781, 2329, 2509, 3281, 12467, 16303, 17563, 22967, 26441, 30277, 42653, 185087, 211939, 298571, 343733, 449497, 2406131, 3146479, 5843461, 40904227]

約数ペア:

[(1, 40904227), (7, 5843461), (13, 3146479), (17, 2406131), (91, 449497), (119, 343733), (137, 298571), (193, 211939), (221, 185087), (959, 42653), (1351, 30277), (1547, 26441), (1781, 22967), (2329, 17563), (2509, 16303), (3281, 12467)]