81424156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{8081}}^1$

素因数の和:8325

約数の個数: 24

約数和(自身を含む): 156144240

約数和(自身を除く): 74720084

約数列:

[1, 2, 4, 11, 22, 44, 229, 458, 916, 2519, 5038, 8081, 10076, 16162, 32324, 88891, 177782, 355564, 1850549, 3701098, 7402196, 20356039, 40712078, 81424156]

約数ペア:

[(1, 81424156), (2, 40712078), (4, 20356039), (11, 7402196), (22, 3701098), (44, 1850549), (229, 355564), (458, 177782), (916, 88891), (2519, 32324), (5038, 16162), (8081, 10076)]