81681562

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{607}}^1\times {\mathrm{1103}}^1$

素因数の和:1773

約数の個数: 16

約数和(自身を含む): 124849152

約数和(自身を除く): 43167590

約数列:

[1, 2, 61, 122, 607, 1103, 1214, 2206, 37027, 67283, 74054, 134566, 669521, 1339042, 40840781, 81681562]

約数ペア:

[(1, 81681562), (2, 40840781), (61, 1339042), (122, 669521), (607, 134566), (1103, 74054), (1214, 67283), (2206, 37027)]