12988891998

素因数分解:

$2^1\times 3^3\times {\mathrm{107}}^1\times {\mathrm{2247991}}^1$

素因数の和:2248109

約数の個数: 32

約数和(自身を含む): 29133976320

約数和(自身を除く): 16145084322

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 107, 214, 321, 642, 963, 1926, 2889, 5778, 2247991, 4495982, 6743973, 13487946, 20231919, 40463838, 60695757, 121391514, 240535037, 481070074, 721605111, 1443210222, 2164815333, 4329630666, 6494445999, 12988891998]

約数ペア:

[(1, 12988891998), (2, 6494445999), (3, 4329630666), (6, 2164815333), (9, 1443210222), (18, 721605111), (27, 481070074), (54, 240535037), (107, 121391514), (214, 60695757), (321, 40463838), (642, 20231919), (963, 13487946), (1926, 6743973), (2889, 4495982), (5778, 2247991)]