256645672

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{2753}}^1$

素因数の和:3073

約数の個数: 32

約数和(自身を含む): 494398080

約数和(自身を除く): 237752408

約数列:

[1, 2, 4, 8, 43, 86, 172, 271, 344, 542, 1084, 2168, 2753, 5506, 11012, 11653, 22024, 23306, 46612, 93224, 118379, 236758, 473516, 746063, 947032, 1492126, 2984252, 5968504, 32080709, 64161418, 128322836, 256645672]

約数ペア:

[(1, 256645672), (2, 128322836), (4, 64161418), (8, 32080709), (43, 5968504), (86, 2984252), (172, 1492126), (271, 947032), (344, 746063), (542, 473516), (1084, 236758), (2168, 118379), (2753, 93224), (5506, 46612), (11012, 23306), (11653, 22024)]