81686386

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{9811}}^1$

素因数の和:10017

約数の個数: 16

約数和(自身を含む): 128576448

約数和(自身を除く): 46890062

約数列:

[1, 2, 23, 46, 181, 362, 4163, 8326, 9811, 19622, 225653, 451306, 1775791, 3551582, 40843193, 81686386]

約数ペア:

[(1, 81686386), (2, 40843193), (23, 3551582), (46, 1775791), (181, 451306), (362, 225653), (4163, 19622), (8326, 9811)]