890243421

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1\times {\mathrm{797}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 1266330240

約数和(自身を除く): 376086819

約数列:

[1, 3, 29, 37, 87, 111, 347, 797, 1041, 1073, 2391, 3219, 10063, 12839, 23113, 29489, 30189, 38517, 69339, 88467, 276559, 372331, 829677, 855181, 1116993, 2565543, 8020211, 10232683, 24060633, 30698049, 296747807, 890243421]

約数ペア:

[(1, 890243421), (3, 296747807), (29, 30698049), (37, 24060633), (87, 10232683), (111, 8020211), (347, 2565543), (797, 1116993), (1041, 855181), (1073, 829677), (2391, 372331), (3219, 276559), (10063, 88467), (12839, 69339), (23113, 38517), (29489, 30189)]