2004993851

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 2568192000

約数和(自身を除く): 563198149

約数列:

[1, 7, 29, 31, 37, 79, 109, 203, 217, 259, 553, 763, 899, 1073, 1147, 2291, 2449, 2923, 3161, 3379, 4033, 6293, 7511, 8029, 8611, 16037, 17143, 20461, 22127, 23653, 28231, 33263, 60277, 71021, 84767, 90613, 97991, 116957, 125023, 232841, 249719, 266941, 318607, 497147, 593369, 634291, 685937, 818699, 875161, 1748033, 1868587, 2230249, 2627777, 3625667, 7741289, 9239603, 9876817, 18394439, 25379669, 54189023, 64677221, 69137719, 286427693, 2004993851]

約数ペア:

[(1, 2004993851), (7, 286427693), (29, 69137719), (31, 64677221), (37, 54189023), (79, 25379669), (109, 18394439), (203, 9876817), (217, 9239603), (259, 7741289), (553, 3625667), (763, 2627777), (899, 2230249), (1073, 1868587), (1147, 1748033), (2291, 875161), (2449, 818699), (2923, 685937), (3161, 634291), (3379, 593369), (4033, 497147), (6293, 318607), (7511, 266941), (8029, 249719), (8611, 232841), (16037, 125023), (17143, 116957), (20461, 97991), (22127, 90613), (23653, 84767), (28231, 71021), (33263, 60277)]