980155967

素因数分解:

$7^2\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{1721}}^1$

素因数の和:1991

約数の個数: 24

約数和(自身を含む): 1166069520

約数和(自身を除く): 185913553

約数列:

[1, 7, 49, 59, 197, 413, 1379, 1721, 2891, 9653, 11623, 12047, 81361, 84329, 101539, 339037, 569527, 710773, 2373259, 4975411, 16612813, 20003183, 140022281, 980155967]

約数ペア:

[(1, 980155967), (7, 140022281), (49, 20003183), (59, 16612813), (197, 4975411), (413, 2373259), (1379, 710773), (1721, 569527), (2891, 339037), (9653, 101539), (11623, 84329), (12047, 81361)]