821344768

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{84431}}^1$

素因数の和:84468

約数の個数: 40

約数和(自身を含む): 1727478720

約数和(自身を除く): 906133952

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 2432, 4864, 9728, 84431, 168862, 337724, 675448, 1350896, 1604189, 2701792, 3208378, 5403584, 6416756, 10807168, 12833512, 21614336, 25667024, 43228672, 51334048, 102668096, 205336192, 410672384, 821344768]

約数ペア:

[(1, 821344768), (2, 410672384), (4, 205336192), (8, 102668096), (16, 51334048), (19, 43228672), (32, 25667024), (38, 21614336), (64, 12833512), (76, 10807168), (128, 6416756), (152, 5403584), (256, 3208378), (304, 2701792), (512, 1604189), (608, 1350896), (1216, 675448), (2432, 337724), (4864, 168862), (9728, 84431)]