220723216

素因数分解:

$2^4\times 7^1\times {\mathrm{1970743}}^1$

素因数の和:1970758

約数の個数: 20

約数和(自身を含む): 488744512

約数和(自身を除く): 268021296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1970743, 3941486, 7882972, 13795201, 15765944, 27590402, 31531888, 55180804, 110361608, 220723216]

約数ペア:

[(1, 220723216), (2, 110361608), (4, 55180804), (7, 31531888), (8, 27590402), (14, 15765944), (16, 13795201), (28, 7882972), (56, 3941486), (112, 1970743)]