40389726

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{517817}}^1$

素因数の和:517835

約数の個数: 16

約数和(自身を含む): 86993424

約数和(自身を除く): 46603698

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 517817, 1035634, 1553451, 3106902, 6731621, 13463242, 20194863, 40389726]

約数ペア:

[(1, 40389726), (2, 20194863), (3, 13463242), (6, 6731621), (13, 3106902), (26, 1553451), (39, 1035634), (78, 517817)]