28025767

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 36864000

約数和(自身を除く): 8838233

約数列:

[1, 7, 11, 31, 59, 77, 199, 217, 341, 413, 649, 1393, 1829, 2189, 2387, 4543, 6169, 11741, 12803, 15323, 20119, 43183, 67859, 82187, 129151, 140833, 363971, 475013, 904057, 2547797, 4003681, 28025767]

約数ペア:

[(1, 28025767), (7, 4003681), (11, 2547797), (31, 904057), (59, 475013), (77, 363971), (199, 140833), (217, 129151), (341, 82187), (413, 67859), (649, 43183), (1393, 20119), (1829, 15323), (2189, 12803), (2387, 11741), (4543, 6169)]