2011122421

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{821}}^1\times {\mathrm{1097}}^1$

素因数の和:1965

約数の個数: 32

約数和(自身を含む): 2599361280

約数和(自身を除く): 588238859

約数列:

[1, 7, 11, 29, 77, 203, 319, 821, 1097, 2233, 5747, 7679, 9031, 12067, 23809, 31813, 63217, 84469, 166663, 222691, 261899, 349943, 900637, 1833293, 2449601, 6304459, 9907007, 26118473, 69349049, 182829311, 287303203, 2011122421]

約数ペア:

[(1, 2011122421), (7, 287303203), (11, 182829311), (29, 69349049), (77, 26118473), (203, 9907007), (319, 6304459), (821, 2449601), (1097, 1833293), (2233, 900637), (5747, 349943), (7679, 261899), (9031, 222691), (12067, 166663), (23809, 84469), (31813, 63217)]