209894984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{7853}}^1$

素因数の和:8129

約数の個数: 32

約数和(自身を含む): 425529720

約数和(自身を除く): 215634736

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 257, 514, 1028, 2056, 3341, 6682, 7853, 13364, 15706, 26728, 31412, 62824, 102089, 204178, 408356, 816712, 2018221, 4036442, 8072884, 16145768, 26236873, 52473746, 104947492, 209894984]

約数ペア:

[(1, 209894984), (2, 104947492), (4, 52473746), (8, 26236873), (13, 16145768), (26, 8072884), (52, 4036442), (104, 2018221), (257, 816712), (514, 408356), (1028, 204178), (2056, 102089), (3341, 62824), (6682, 31412), (7853, 26728), (13364, 15706)]