16988866

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{1063}}^1$

素因数の和:1257

約数の個数: 16

約数和(自身を含む): 26123328

約数和(自身を除く): 9134462

約数列:

[1, 2, 61, 122, 131, 262, 1063, 2126, 7991, 15982, 64843, 129686, 139253, 278506, 8494433, 16988866]

約数ペア:

[(1, 16988866), (2, 8494433), (61, 278506), (122, 139253), (131, 129686), (262, 64843), (1063, 15982), (2126, 7991)]