72192004

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{137771}}^1$

素因数の和:137906

約数の個数: 12

約数和(自身を含む): 127301328

約数和(自身を除く): 55109324

約数列:

[1, 2, 4, 131, 262, 524, 137771, 275542, 551084, 18048001, 36096002, 72192004]

約数ペア:

[(1, 72192004), (2, 36096002), (4, 18048001), (131, 551084), (262, 275542), (524, 137771)]