81409984

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{66949}}^1$

素因数の和:66980

約数の個数: 28

約数和(自身を含む): 170053000

約数和(自身を除く): 88643016

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 66949, 133898, 267796, 535592, 1071184, 1272031, 2142368, 2544062, 4284736, 5088124, 10176248, 20352496, 40704992, 81409984]

約数ペア:

[(1, 81409984), (2, 40704992), (4, 20352496), (8, 10176248), (16, 5088124), (19, 4284736), (32, 2544062), (38, 2142368), (64, 1272031), (76, 1071184), (152, 535592), (304, 267796), (608, 133898), (1216, 66949)]