31324774

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^2\times {\mathrm{239}}^1$

素因数の和:396

約数の個数: 24

約数和(自身を含む): 51539040

約数和(自身を除く): 20214266

約数列:

[1, 2, 13, 26, 71, 142, 239, 478, 923, 1846, 3107, 5041, 6214, 10082, 16969, 33938, 65533, 131066, 220597, 441194, 1204799, 2409598, 15662387, 31324774]

約数ペア:

[(1, 31324774), (2, 15662387), (13, 2409598), (26, 1204799), (71, 441194), (142, 220597), (239, 131066), (478, 65533), (923, 33938), (1846, 16969), (3107, 10082), (5041, 6214)]