12881219

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1$

素因数の和:746

約数の個数: 16

約数和(自身を含む): 14714112

約数和(自身を除く): 1832893

約数列:

[1, 13, 23, 67, 299, 643, 871, 1541, 8359, 14789, 20033, 43081, 192257, 560053, 990863, 12881219]

約数ペア:

[(1, 12881219), (13, 990863), (23, 560053), (67, 192257), (299, 43081), (643, 20033), (871, 14789), (1541, 8359)]