81266726

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1\times {\mathrm{2621}}^1$

素因数の和:3079

約数の個数: 16

約数和(自身を含む): 125541360

約数和(自身を除く): 44274634

約数列:

[1, 2, 37, 74, 419, 838, 2621, 5242, 15503, 31006, 96977, 193954, 1098199, 2196398, 40633363, 81266726]

約数ペア:

[(1, 81266726), (2, 40633363), (37, 2196398), (74, 1098199), (419, 193954), (838, 96977), (2621, 31006), (5242, 15503)]