28490768

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{41411}}^1$

素因数の和:41462

約数の個数: 20

約数和(自身を含む): 56485968

約数和(自身を除く): 27995200

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 41411, 82822, 165644, 331288, 662576, 1780673, 3561346, 7122692, 14245384, 28490768]

約数ペア:

[(1, 28490768), (2, 14245384), (4, 7122692), (8, 3561346), (16, 1780673), (43, 662576), (86, 331288), (172, 165644), (344, 82822), (688, 41411)]