78264428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{4127}}^1$

素因数の和:4573

約数の個数: 24

約数和(自身を含む): 149796864

約数和(自身を除く): 71532436

約数列:

[1, 2, 4, 11, 22, 44, 431, 862, 1724, 4127, 4741, 8254, 9482, 16508, 18964, 45397, 90794, 181588, 1778737, 3557474, 7114948, 19566107, 39132214, 78264428]

約数ペア:

[(1, 78264428), (2, 39132214), (4, 19566107), (11, 7114948), (22, 3557474), (44, 1778737), (431, 181588), (862, 90794), (1724, 45397), (4127, 18964), (4741, 16508), (8254, 9482)]