1621356

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 4209408

約数和(自身を除く): 2588052

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 71, 132, 142, 173, 213, 284, 346, 426, 519, 692, 781, 852, 1038, 1562, 1903, 2076, 2343, 3124, 3806, 4686, 5709, 7612, 9372, 11418, 12283, 22836, 24566, 36849, 49132, 73698, 135113, 147396, 270226, 405339, 540452, 810678, 1621356]

約数ペア:

[(1, 1621356), (2, 810678), (3, 540452), (4, 405339), (6, 270226), (11, 147396), (12, 135113), (22, 73698), (33, 49132), (44, 36849), (66, 24566), (71, 22836), (132, 12283), (142, 11418), (173, 9372), (213, 7612), (284, 5709), (346, 4686), (426, 3806), (519, 3124), (692, 2343), (781, 2076), (852, 1903), (1038, 1562)]