2051201999

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1\times {\mathrm{821}}^1$

素因数の和:1367

約数の個数: 32

約数和(自身を含む): 2602202112

約数和(自身を除く): 551000113

約数列:

[1, 7, 11, 71, 77, 457, 497, 781, 821, 3199, 5027, 5467, 5747, 9031, 32447, 35189, 58291, 63217, 227129, 356917, 375197, 408037, 641201, 2498419, 2626379, 4127167, 4488407, 26638987, 28890169, 186472909, 293028857, 2051201999]

約数ペア:

[(1, 2051201999), (7, 293028857), (11, 186472909), (71, 28890169), (77, 26638987), (457, 4488407), (497, 4127167), (781, 2626379), (821, 2498419), (3199, 641201), (5027, 408037), (5467, 375197), (5747, 356917), (9031, 227129), (32447, 63217), (35189, 58291)]