81505288

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{536219}}^1$

素因数の和:536244

約数の個数: 16

約数和(自身を含む): 160866000

約数和(自身を除く): 79360712

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 536219, 1072438, 2144876, 4289752, 10188161, 20376322, 40752644, 81505288]

約数ペア:

[(1, 81505288), (2, 40752644), (4, 20376322), (8, 10188161), (19, 4289752), (38, 2144876), (76, 1072438), (152, 536219)]