81499504

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{108377}}^1$

素因数の和:108432

約数の個数: 20

約数和(自身を含む): 161266464

約数和(自身を除く): 79766960

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 108377, 216754, 433508, 867016, 1734032, 5093719, 10187438, 20374876, 40749752, 81499504]

約数ペア:

[(1, 81499504), (2, 40749752), (4, 20374876), (8, 10187438), (16, 5093719), (47, 1734032), (94, 867016), (188, 433508), (376, 216754), (752, 108377)]