7881136

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{4519}}^1$

素因数の和:4636

約数の個数: 20

約数和(自身を含む): 15413200

約数和(自身を除く): 7532064

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 4519, 9038, 18076, 36152, 72304, 492571, 985142, 1970284, 3940568, 7881136]

約数ペア:

[(1, 7881136), (2, 3940568), (4, 1970284), (8, 985142), (16, 492571), (109, 72304), (218, 36152), (436, 18076), (872, 9038), (1744, 4519)]