8721296

素因数分解:

$2^4\times {\mathrm{397}}^1\times {\mathrm{1373}}^1$

素因数の和:1778

約数の個数: 20

約数和(自身を含む): 16952412

約数和(自身を除く): 8231116

約数列:

[1, 2, 4, 8, 16, 397, 794, 1373, 1588, 2746, 3176, 5492, 6352, 10984, 21968, 545081, 1090162, 2180324, 4360648, 8721296]

約数ペア:

[(1, 8721296), (2, 4360648), (4, 2180324), (8, 1090162), (16, 545081), (397, 21968), (794, 10984), (1373, 6352), (1588, 5492), (2746, 3176)]