81897562

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{27281}}^1$

素因数の和:27381

約数の個数: 16

約数和(自身を含む): 130953600

約数和(自身を除く): 49056038

約数列:

[1, 2, 19, 38, 79, 158, 1501, 3002, 27281, 54562, 518339, 1036678, 2155199, 4310398, 40948781, 81897562]

約数ペア:

[(1, 81897562), (2, 40948781), (19, 4310398), (38, 2155199), (79, 1036678), (158, 518339), (1501, 54562), (3002, 27281)]