28005087164

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{368487989}}^1$

素因数の和:368488012

約数の個数: 12

約数和(自身を含む): 51588318600

約数和(自身を除く): 23583231436

約数列:

[1, 2, 4, 19, 38, 76, 368487989, 736975978, 1473951956, 7001271791, 14002543582, 28005087164]

約数ペア:

[(1, 28005087164), (2, 14002543582), (4, 7001271791), (19, 1473951956), (38, 736975978), (76, 368487989)]