40449479

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{907}}^1$

素因数の和:1214

約数の個数: 16

約数和(自身を含む): 48465408

約数和(自身を除く): 8015929

約数列:

[1, 7, 23, 161, 277, 907, 1939, 6349, 6371, 20861, 44597, 146027, 251239, 1758673, 5778497, 40449479]

約数ペア:

[(1, 40449479), (7, 5778497), (23, 1758673), (161, 251239), (277, 146027), (907, 44597), (1939, 20861), (6349, 6371)]