78921910

素因数分解:

$2^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{29339}}^1$

素因数の和:29615

約数の個数: 16

約数和(自身を含む): 142592400

約数和(自身を除く): 63670490

約数列:

[1, 2, 5, 10, 269, 538, 1345, 2690, 29339, 58678, 146695, 293390, 7892191, 15784382, 39460955, 78921910]

約数ペア:

[(1, 78921910), (2, 39460955), (5, 15784382), (10, 7892191), (269, 293390), (538, 146695), (1345, 58678), (2690, 29339)]