131020816

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{92009}}^1$

素因数の和:92106

約数の個数: 20

約数和(自身を含む): 256707900

約数和(自身を除く): 125687084

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 92009, 184018, 368036, 736072, 1472144, 8188801, 16377602, 32755204, 65510408, 131020816]

約数ペア:

[(1, 131020816), (2, 65510408), (4, 32755204), (8, 16377602), (16, 8188801), (89, 1472144), (178, 736072), (356, 368036), (712, 184018), (1424, 92009)]