2154262019

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{5179}}^1$

素因数の和:5859

約数の個数: 24

約数和(自身を含む): 2703400560

約数和(自身を除く): 549138541

約数列:

[1, 7, 13, 49, 91, 637, 653, 4571, 5179, 8489, 31997, 36253, 59423, 67327, 253771, 415961, 471289, 3299023, 3381887, 23673209, 43964531, 165712463, 307751717, 2154262019]

約数ペア:

[(1, 2154262019), (7, 307751717), (13, 165712463), (49, 43964531), (91, 23673209), (637, 3381887), (653, 3299023), (4571, 471289), (5179, 415961), (8489, 253771), (31997, 67327), (36253, 59423)]