256217634

素因数分解:

$2^1\times 3^3\times {\mathrm{223}}^1\times {\mathrm{21277}}^1$

素因数の和:21511

約数の個数: 32

約数和(自身を含む): 571952640

約数和(自身を除く): 315735006

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 223, 446, 669, 1338, 2007, 4014, 6021, 12042, 21277, 42554, 63831, 127662, 191493, 382986, 574479, 1148958, 4744771, 9489542, 14234313, 28468626, 42702939, 85405878, 128108817, 256217634]

約数ペア:

[(1, 256217634), (2, 128108817), (3, 85405878), (6, 42702939), (9, 28468626), (18, 14234313), (27, 9489542), (54, 4744771), (223, 1148958), (446, 574479), (669, 382986), (1338, 191493), (2007, 127662), (4014, 63831), (6021, 42554), (12042, 21277)]