997408

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:520

約数の個数: 24

約数和(自身を含む): 1995840

約数和(自身を除く): 998432

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 439, 568, 878, 1136, 1756, 2272, 3512, 7024, 14048, 31169, 62338, 124676, 249352, 498704, 997408]

約数ペア:

[(1, 997408), (2, 498704), (4, 249352), (8, 124676), (16, 62338), (32, 31169), (71, 14048), (142, 7024), (284, 3512), (439, 2272), (568, 1756), (878, 1136)]