81285686

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{743}}^1\times {\mathrm{2879}}^1$

素因数の和:3643

約数の個数: 16

約数和(自身を含む): 128563200

約数和(自身を除く): 47277514

約数列:

[1, 2, 19, 38, 743, 1486, 2879, 5758, 14117, 28234, 54701, 109402, 2139097, 4278194, 40642843, 81285686]

約数ペア:

[(1, 81285686), (2, 40642843), (19, 4278194), (38, 2139097), (743, 109402), (1486, 54701), (2879, 28234), (5758, 14117)]