78880724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{3821}}^1$

素因数の和:4235

約数の個数: 24

約数和(自身を含む): 149073288

約数和(自身を除く): 70192564

約数列:

[1, 2, 4, 13, 26, 52, 397, 794, 1588, 3821, 5161, 7642, 10322, 15284, 20644, 49673, 99346, 198692, 1516937, 3033874, 6067748, 19720181, 39440362, 78880724]

約数ペア:

[(1, 78880724), (2, 39440362), (4, 19720181), (13, 6067748), (26, 3033874), (52, 1516937), (397, 198692), (794, 99346), (1588, 49673), (3821, 20644), (5161, 15284), (7642, 10322)]