205402561

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2539}}^1$

素因数の和:2693

約数の個数: 24

約数和(自身を含む): 259445760

約数和(自身を除く): 54043199

約数列:

[1, 7, 13, 49, 91, 127, 637, 889, 1651, 2539, 6223, 11557, 17773, 33007, 80899, 124411, 231049, 322453, 1617343, 2257171, 4191889, 15800197, 29343223, 205402561]

約数ペア:

[(1, 205402561), (7, 29343223), (13, 15800197), (49, 4191889), (91, 2257171), (127, 1617343), (637, 322453), (889, 231049), (1651, 124411), (2539, 80899), (6223, 33007), (11557, 17773)]