221980016

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{816103}}^1$

素因数の和:816128

約数の個数: 20

約数和(自身を含む): 455386032

約数和(自身を除く): 233406016

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 816103, 1632206, 3264412, 6528824, 13057648, 13873751, 27747502, 55495004, 110990008, 221980016]

約数ペア:

[(1, 221980016), (2, 110990008), (4, 55495004), (8, 27747502), (16, 13873751), (17, 13057648), (34, 6528824), (68, 3264412), (136, 1632206), (272, 816103)]