42006986

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1999}}^1$

素因数の和:2106

約数の個数: 32

約数和(自身を含む): 76800000

約数和(自身を除く): 34793014

約数列:

[1, 2, 7, 14, 19, 38, 79, 133, 158, 266, 553, 1106, 1501, 1999, 3002, 3998, 10507, 13993, 21014, 27986, 37981, 75962, 157921, 265867, 315842, 531734, 1105447, 2210894, 3000499, 6000998, 21003493, 42006986]

約数ペア:

[(1, 42006986), (2, 21003493), (7, 6000998), (14, 3000499), (19, 2210894), (38, 1105447), (79, 531734), (133, 315842), (158, 265867), (266, 157921), (553, 75962), (1106, 37981), (1501, 27986), (1999, 21014), (3002, 13993), (3998, 10507)]