81278159

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{641}}^1$

素因数の和:850

約数の個数: 16

約数和(自身を含む): 87825600

約数和(自身を除く): 6547441

約数列:

[1, 23, 37, 149, 641, 851, 3427, 5513, 14743, 23717, 95509, 126799, 545491, 2196707, 3533833, 81278159]

約数ペア:

[(1, 81278159), (23, 3533833), (37, 2196707), (149, 545491), (641, 126799), (851, 95509), (3427, 23717), (5513, 14743)]