81986156

素因数分解:

$2^2\times 7^1\times {\mathrm{701}}^1\times {\mathrm{4177}}^1$

素因数の和:4889

約数の個数: 24

約数和(自身を含む): 164245536

約数和(自身を除く): 82259380

約数列:

[1, 2, 4, 7, 14, 28, 701, 1402, 2804, 4177, 4907, 8354, 9814, 16708, 19628, 29239, 58478, 116956, 2928077, 5856154, 11712308, 20496539, 40993078, 81986156]

約数ペア:

[(1, 81986156), (2, 40993078), (4, 20496539), (7, 11712308), (14, 5856154), (28, 2928077), (701, 116956), (1402, 58478), (2804, 29239), (4177, 19628), (4907, 16708), (8354, 9814)]