217904512

素因数分解:

$2^7\times 7^1\times {\mathrm{243197}}^1$

素因数の和:243218

約数の個数: 32

約数和(自身を含む): 496123920

約数和(自身を除く): 278219408

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 243197, 486394, 972788, 1702379, 1945576, 3404758, 3891152, 6809516, 7782304, 13619032, 15564608, 27238064, 31129216, 54476128, 108952256, 217904512]

約数ペア:

[(1, 217904512), (2, 108952256), (4, 54476128), (7, 31129216), (8, 27238064), (14, 15564608), (16, 13619032), (28, 7782304), (32, 6809516), (56, 3891152), (64, 3404758), (112, 1945576), (128, 1702379), (224, 972788), (448, 486394), (896, 243197)]