28057964

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1999}}^1$

素因数の和:2054

約数の個数: 36

約数和(自身を含む): 55860000

約数和(自身を除く): 27802036

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 121, 242, 319, 484, 638, 1276, 1999, 3509, 3998, 7018, 7996, 14036, 21989, 43978, 57971, 87956, 115942, 231884, 241879, 483758, 637681, 967516, 1275362, 2550724, 7014491, 14028982, 28057964]

約数ペア:

[(1, 28057964), (2, 14028982), (4, 7014491), (11, 2550724), (22, 1275362), (29, 967516), (44, 637681), (58, 483758), (116, 241879), (121, 231884), (242, 115942), (319, 87956), (484, 57971), (638, 43978), (1276, 21989), (1999, 14036), (3509, 7996), (3998, 7018)]