28042651

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:384

約数の個数: 32

約数和(自身を含む): 37184000

約数和(自身を除く): 9141349

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 331, 343, 637, 931, 1729, 2317, 4303, 4459, 6289, 6517, 12103, 16219, 30121, 44023, 81757, 84721, 113533, 210847, 308161, 572299, 1475929, 2157127, 4006093, 28042651]

約数ペア:

[(1, 28042651), (7, 4006093), (13, 2157127), (19, 1475929), (49, 572299), (91, 308161), (133, 210847), (247, 113533), (331, 84721), (343, 81757), (637, 44023), (931, 30121), (1729, 16219), (2317, 12103), (4303, 6517), (4459, 6289)]