2009397929

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{5273}}^1$

素因数の和:5406

約数の個数: 32

約数和(自身を含む): 2582150400

約数和(自身を除く): 572752471

約数列:

[1, 7, 11, 49, 77, 101, 343, 539, 707, 1111, 3773, 4949, 5273, 7777, 34643, 36911, 54439, 58003, 258377, 381073, 406021, 532573, 1808639, 2842147, 3728011, 5858303, 19895029, 26096077, 41008121, 182672539, 287056847, 2009397929]

約数ペア:

[(1, 2009397929), (7, 287056847), (11, 182672539), (49, 41008121), (77, 26096077), (101, 19895029), (343, 5858303), (539, 3728011), (707, 2842147), (1111, 1808639), (3773, 532573), (4949, 406021), (5273, 381073), (7777, 258377), (34643, 58003), (36911, 54439)]