81534536

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{237019}}^1$

素因数の和:237068

約数の個数: 16

約数和(自身を含む): 156433200

約数和(自身を除く): 74898664

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 237019, 474038, 948076, 1896152, 10191817, 20383634, 40767268, 81534536]

約数ペア:

[(1, 81534536), (2, 40767268), (4, 20383634), (8, 10191817), (43, 1896152), (86, 948076), (172, 474038), (344, 237019)]