219680816

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{193381}}^1$

素因数の和:193460

約数の個数: 20

約数和(自身を含む): 431628624

約数和(自身を除く): 211947808

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 193381, 386762, 773524, 1547048, 3094096, 13730051, 27460102, 54920204, 109840408, 219680816]

約数ペア:

[(1, 219680816), (2, 109840408), (4, 54920204), (8, 27460102), (16, 13730051), (71, 3094096), (142, 1547048), (284, 773524), (568, 386762), (1136, 193381)]