81187016

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{467}}^1\times {\mathrm{701}}^1$

素因数の和:1205

約数の個数: 32

約数和(自身を含む): 157697280

約数和(自身を除く): 76510264

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 467, 701, 934, 1402, 1868, 2804, 3736, 5608, 14477, 21731, 28954, 43462, 57908, 86924, 115816, 173848, 327367, 654734, 1309468, 2618936, 10148377, 20296754, 40593508, 81187016]

約数ペア:

[(1, 81187016), (2, 40593508), (4, 20296754), (8, 10148377), (31, 2618936), (62, 1309468), (124, 654734), (248, 327367), (467, 173848), (701, 115816), (934, 86924), (1402, 57908), (1868, 43462), (2804, 28954), (3736, 21731), (5608, 14477)]