217435456

素因数分解:

$2^6\times 7^1\times {\mathrm{485347}}^1$

素因数の和:485366

約数の個数: 28

約数和(自身を含む): 493113568

約数和(自身を除く): 275678112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 485347, 970694, 1941388, 3397429, 3882776, 6794858, 7765552, 13589716, 15531104, 27179432, 31062208, 54358864, 108717728, 217435456]

約数ペア:

[(1, 217435456), (2, 108717728), (4, 54358864), (7, 31062208), (8, 27179432), (14, 15531104), (16, 13589716), (28, 7765552), (32, 6794858), (56, 3882776), (64, 3397429), (112, 1941388), (224, 970694), (448, 485347)]