2005178

素因数分解:

$2^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:139

約数の個数: 32

約数和(自身を含む): 3648000

約数和(自身を除く): 1642822

約数列:

[1, 2, 7, 14, 37, 49, 74, 79, 98, 158, 259, 343, 518, 553, 686, 1106, 1813, 2923, 3626, 3871, 5846, 7742, 12691, 20461, 25382, 27097, 40922, 54194, 143227, 286454, 1002589, 2005178]

約数ペア:

[(1, 2005178), (2, 1002589), (7, 286454), (14, 143227), (37, 54194), (49, 40922), (74, 27097), (79, 25382), (98, 20461), (158, 12691), (259, 7742), (343, 5846), (518, 3871), (553, 3626), (686, 2923), (1106, 1813)]