521003978

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{10301}}^1$

素因数の和:10355

約数の個数: 32

約数和(自身を含む): 904927680

約数和(自身を除く): 383923702

約数列:

[1, 2, 11, 19, 22, 38, 121, 209, 242, 418, 1331, 2299, 2662, 4598, 10301, 20602, 25289, 50578, 113311, 195719, 226622, 391438, 1246421, 2152909, 2492842, 4305818, 13710631, 23681999, 27421262, 47363998, 260501989, 521003978]

約数ペア:

[(1, 521003978), (2, 260501989), (11, 47363998), (19, 27421262), (22, 23681999), (38, 13710631), (121, 4305818), (209, 2492842), (242, 2152909), (418, 1246421), (1331, 391438), (2299, 226622), (2662, 195719), (4598, 113311), (10301, 50578), (20602, 25289)]