39997938

素因数分解:

$2^1\times 3^1\times {\mathrm{257}}^1\times {\mathrm{25939}}^1$

素因数の和:26201

約数の個数: 16

約数和(自身を含む): 80310240

約数和(自身を除く): 40312302

約数列:

[1, 2, 3, 6, 257, 514, 771, 1542, 25939, 51878, 77817, 155634, 6666323, 13332646, 19998969, 39997938]

約数ペア:

[(1, 39997938), (2, 19998969), (3, 13332646), (6, 6666323), (257, 155634), (514, 77817), (771, 51878), (1542, 25939)]