2008404016

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{2057791}}^1$

素因数の和:2057860

約数の個数: 20

約数和(自身を含む): 3955076224

約数和(自身を除く): 1946672208

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 2057791, 4115582, 8231164, 16462328, 32924656, 125525251, 251050502, 502101004, 1004202008, 2008404016]

約数ペア:

[(1, 2008404016), (2, 1004202008), (4, 502101004), (8, 251050502), (16, 125525251), (61, 32924656), (122, 16462328), (244, 8231164), (488, 4115582), (976, 2057791)]