990498817

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{50053}}^1$

素因数の和:50328

約数の個数: 16

約数和(自身を含む): 1239737472

約数和(自身を除く): 249238655

約数列:

[1, 7, 11, 77, 257, 1799, 2827, 19789, 50053, 350371, 550583, 3854081, 12863621, 90045347, 141499831, 990498817]

約数ペア:

[(1, 990498817), (7, 141499831), (11, 90045347), (77, 12863621), (257, 3854081), (1799, 550583), (2827, 350371), (19789, 50053)]