28291295459

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{401}}^1\times {\mathrm{1291}}^1$

素因数の和:1947

約数の個数: 32

約数和(自身を含む): 33473260032

約数和(自身を除く): 5181964573

約数列:

[1, 7, 37, 211, 259, 401, 1291, 1477, 2807, 7807, 9037, 14837, 47767, 54649, 84611, 103859, 272401, 334369, 517691, 592277, 1906807, 3130607, 3623837, 10078837, 19154567, 21914249, 70551859, 109232801, 134081969, 764629607, 4041613637, 28291295459]

約数ペア:

[(1, 28291295459), (7, 4041613637), (37, 764629607), (211, 134081969), (259, 109232801), (401, 70551859), (1291, 21914249), (1477, 19154567), (2807, 10078837), (7807, 3623837), (9037, 3130607), (14837, 1906807), (47767, 592277), (54649, 517691), (84611, 334369), (103859, 272401)]