205328896

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{21107}}^1$

素因数の和:21144

約数の個数: 40

約数和(自身を含む): 431869680

約数和(自身を除く): 226540784

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 2432, 4864, 9728, 21107, 42214, 84428, 168856, 337712, 401033, 675424, 802066, 1350848, 1604132, 2701696, 3208264, 5403392, 6416528, 10806784, 12833056, 25666112, 51332224, 102664448, 205328896]

約数ペア:

[(1, 205328896), (2, 102664448), (4, 51332224), (8, 25666112), (16, 12833056), (19, 10806784), (32, 6416528), (38, 5403392), (64, 3208264), (76, 2701696), (128, 1604132), (152, 1350848), (256, 802066), (304, 675424), (512, 401033), (608, 337712), (1216, 168856), (2432, 84428), (4864, 42214), (9728, 21107)]