13405456

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{4253}}^1$

素因数の和:4458

約数の個数: 20

約数和(自身を含む): 26111052

約数和(自身を除く): 12705596

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 4253, 8506, 17012, 34024, 68048, 837841, 1675682, 3351364, 6702728, 13405456]

約数ペア:

[(1, 13405456), (2, 6702728), (4, 3351364), (8, 1675682), (16, 837841), (197, 68048), (394, 34024), (788, 17012), (1576, 8506), (3152, 4253)]