28085008

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8089}}^1$

素因数の和:8135

約数の個数: 40

約数和(自身を含む): 64202240

約数和(自身を除く): 36117232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 8089, 16178, 32356, 56623, 64712, 113246, 129424, 226492, 250759, 452984, 501518, 905968, 1003036, 1755313, 2006072, 3510626, 4012144, 7021252, 14042504, 28085008]

約数ペア:

[(1, 28085008), (2, 14042504), (4, 7021252), (7, 4012144), (8, 3510626), (14, 2006072), (16, 1755313), (28, 1003036), (31, 905968), (56, 501518), (62, 452984), (112, 250759), (124, 226492), (217, 129424), (248, 113246), (434, 64712), (496, 56623), (868, 32356), (1736, 16178), (3472, 8089)]