720296479

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1889}}^1$

素因数の和:2023

約数の個数: 32

約数和(自身を含む): 899942400

約数和(自身を除く): 179645921

約数列:

[1, 7, 19, 47, 61, 133, 329, 427, 893, 1159, 1889, 2867, 6251, 8113, 13223, 20069, 35891, 54473, 88783, 115229, 251237, 381311, 621481, 806603, 1686877, 2189351, 5415763, 11808139, 15325457, 37910341, 102899497, 720296479]

約数ペア:

[(1, 720296479), (7, 102899497), (19, 37910341), (47, 15325457), (61, 11808139), (133, 5415763), (329, 2189351), (427, 1686877), (893, 806603), (1159, 621481), (1889, 381311), (2867, 251237), (6251, 115229), (8113, 88783), (13223, 54473), (20069, 35891)]