989658

素因数分解:

$2^1\times 3^4\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:204

約数の個数: 40

約数和(自身を含む): 2286900

約数和(自身を除く): 1297242

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 81, 82, 123, 149, 162, 246, 298, 369, 447, 738, 894, 1107, 1341, 2214, 2682, 3321, 4023, 6109, 6642, 8046, 12069, 12218, 18327, 24138, 36654, 54981, 109962, 164943, 329886, 494829, 989658]

約数ペア:

[(1, 989658), (2, 494829), (3, 329886), (6, 164943), (9, 109962), (18, 54981), (27, 36654), (41, 24138), (54, 18327), (81, 12218), (82, 12069), (123, 8046), (149, 6642), (162, 6109), (246, 4023), (298, 3321), (369, 2682), (447, 2214), (738, 1341), (894, 1107)]