28791235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{3821}}^1$

素因数の和:3974

約数の個数: 16

約数和(自身を含む): 37975392

約数和(自身を除く): 9184157

約数列:

[1, 5, 11, 55, 137, 685, 1507, 3821, 7535, 19105, 42031, 210155, 523477, 2617385, 5758247, 28791235]

約数ペア:

[(1, 28791235), (5, 5758247), (11, 2617385), (55, 523477), (137, 210155), (685, 42031), (1507, 19105), (3821, 7535)]