81338804

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{223}}^1\times {\mathrm{1361}}^1$

素因数の和:1655

約数の個数: 24

約数和(自身を含む): 145221888

約数和(自身を除く): 63883084

約数列:

[1, 2, 4, 67, 134, 223, 268, 446, 892, 1361, 2722, 5444, 14941, 29882, 59764, 91187, 182374, 303503, 364748, 607006, 1214012, 20334701, 40669402, 81338804]

約数ペア:

[(1, 81338804), (2, 40669402), (4, 20334701), (67, 1214012), (134, 607006), (223, 364748), (268, 303503), (446, 182374), (892, 91187), (1361, 59764), (2722, 29882), (5444, 14941)]