406781488

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1087}}^1\times {\mathrm{1231}}^1$

素因数の和:2345

約数の個数: 40

約数和(自身を含む): 831057920

約数和(自身を除く): 424276432

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1087, 1231, 2174, 2462, 4348, 4924, 8696, 9848, 17392, 19696, 20653, 23389, 41306, 46778, 82612, 93556, 165224, 187112, 330448, 374224, 1338097, 2676194, 5352388, 10704776, 21409552, 25423843, 50847686, 101695372, 203390744, 406781488]

約数ペア:

[(1, 406781488), (2, 203390744), (4, 101695372), (8, 50847686), (16, 25423843), (19, 21409552), (38, 10704776), (76, 5352388), (152, 2676194), (304, 1338097), (1087, 374224), (1231, 330448), (2174, 187112), (2462, 165224), (4348, 93556), (4924, 82612), (8696, 46778), (9848, 41306), (17392, 23389), (19696, 20653)]