205720448

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{84589}}^1$

素因数の和:84622

約数の個数: 32

約数和(自身を含む): 431409000

約数和(自身を除く): 225688552

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 84589, 169178, 338356, 676712, 1353424, 1607191, 2706848, 3214382, 5413696, 6428764, 10827392, 12857528, 25715056, 51430112, 102860224, 205720448]

約数ペア:

[(1, 205720448), (2, 102860224), (4, 51430112), (8, 25715056), (16, 12857528), (19, 10827392), (32, 6428764), (38, 5413696), (64, 3214382), (76, 2706848), (128, 1607191), (152, 1353424), (304, 676712), (608, 338356), (1216, 169178), (2432, 84589)]