1999088

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1373}}^1$

素因数の和:1401

約数の個数: 40

約数和(自身を含む): 4770528

約数和(自身を除く): 2771440

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1373, 1456, 2746, 5492, 9611, 10984, 17849, 19222, 21968, 35698, 38444, 71396, 76888, 124943, 142792, 153776, 249886, 285584, 499772, 999544, 1999088]

約数ペア:

[(1, 1999088), (2, 999544), (4, 499772), (7, 285584), (8, 249886), (13, 153776), (14, 142792), (16, 124943), (26, 76888), (28, 71396), (52, 38444), (56, 35698), (91, 21968), (104, 19222), (112, 17849), (182, 10984), (208, 9611), (364, 5492), (728, 2746), (1373, 1456)]