290480738

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{421}}^1$

素因数の和:650

約数の個数: 32

約数和(自身を含む): 457218432

約数和(自身を除く): 166737694

約数列:

[1, 2, 43, 71, 86, 113, 142, 226, 421, 842, 3053, 4859, 6106, 8023, 9718, 16046, 18103, 29891, 36206, 47573, 59782, 95146, 344989, 689978, 1285313, 2045639, 2570626, 3377683, 4091278, 6755366, 145240369, 290480738]

約数ペア:

[(1, 290480738), (2, 145240369), (43, 6755366), (71, 4091278), (86, 3377683), (113, 2570626), (142, 2045639), (226, 1285313), (421, 689978), (842, 344989), (3053, 95146), (4859, 59782), (6106, 47573), (8023, 36206), (9718, 29891), (16046, 18103)]