215798464

素因数分解:

$2^6\times 7^1\times {\mathrm{481693}}^1$

素因数の和:481712

約数の個数: 28

約数和(自身を含む): 489401104

約数和(自身を除く): 273602640

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 481693, 963386, 1926772, 3371851, 3853544, 6743702, 7707088, 13487404, 15414176, 26974808, 30828352, 53949616, 107899232, 215798464]

約数ペア:

[(1, 215798464), (2, 107899232), (4, 53949616), (7, 30828352), (8, 26974808), (14, 15414176), (16, 13487404), (28, 7707088), (32, 6743702), (56, 3853544), (64, 3371851), (112, 1926772), (224, 963386), (448, 481693)]