31389070

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{39733}}^1$

素因数の和:39819

約数の個数: 16

約数和(自身を含む): 57216960

約数和(自身を除く): 25827890

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 39733, 79466, 198665, 397330, 3138907, 6277814, 15694535, 31389070]

約数ペア:

[(1, 31389070), (2, 15694535), (5, 6277814), (10, 3138907), (79, 397330), (158, 198665), (395, 79466), (790, 39733)]