80856884

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{647}}^1$

素因数の和:1007

約数の個数: 24

約数和(自身を含む): 143337600

約数和(自身を除く): 62480716

約数列:

[1, 2, 4, 157, 199, 314, 398, 628, 647, 796, 1294, 2588, 31243, 62486, 101579, 124972, 128753, 203158, 257506, 406316, 515012, 20214221, 40428442, 80856884]

約数ペア:

[(1, 80856884), (2, 40428442), (4, 20214221), (157, 515012), (199, 406316), (314, 257506), (398, 203158), (628, 128753), (647, 124972), (796, 101579), (1294, 62486), (2588, 31243)]