398765252

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{701}}^1\times {\mathrm{2003}}^1$

素因数の和:2779

約数の個数: 24

約数和(自身を含む): 709031232

約数和(自身を除く): 310265980

約数列:

[1, 2, 4, 71, 142, 284, 701, 1402, 2003, 2804, 4006, 8012, 49771, 99542, 142213, 199084, 284426, 568852, 1404103, 2808206, 5616412, 99691313, 199382626, 398765252]

約数ペア:

[(1, 398765252), (2, 199382626), (4, 99691313), (71, 5616412), (142, 2808206), (284, 1404103), (701, 568852), (1402, 284426), (2003, 199084), (2804, 142213), (4006, 99542), (8012, 49771)]