209795584

素因数分解:

$2^9\times {\mathrm{101}}^1\times {\mathrm{4057}}^1$

素因数の和:4176

約数の個数: 40

約数和(自身を含む): 423436068

約数和(自身を除く): 213640484

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 202, 256, 404, 512, 808, 1616, 3232, 4057, 6464, 8114, 12928, 16228, 25856, 32456, 51712, 64912, 129824, 259648, 409757, 519296, 819514, 1038592, 1639028, 2077184, 3278056, 6556112, 13112224, 26224448, 52448896, 104897792, 209795584]

約数ペア:

[(1, 209795584), (2, 104897792), (4, 52448896), (8, 26224448), (16, 13112224), (32, 6556112), (64, 3278056), (101, 2077184), (128, 1639028), (202, 1038592), (256, 819514), (404, 519296), (512, 409757), (808, 259648), (1616, 129824), (3232, 64912), (4057, 51712), (6464, 32456), (8114, 25856), (12928, 16228)]