28268884

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{7591}}^1$

素因数の和:7628

約数の個数: 36

約数和(自身を含む): 60584160

約数和(自身を除く): 32315276

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 7591, 15182, 30364, 53137, 106274, 144229, 212548, 288458, 371959, 576916, 743918, 1009603, 1487836, 2019206, 4038412, 7067221, 14134442, 28268884]

約数ペア:

[(1, 28268884), (2, 14134442), (4, 7067221), (7, 4038412), (14, 2019206), (19, 1487836), (28, 1009603), (38, 743918), (49, 576916), (76, 371959), (98, 288458), (133, 212548), (196, 144229), (266, 106274), (532, 53137), (931, 30364), (1862, 15182), (3724, 7591)]