667003688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{206887}}^1$

素因数の和:206937

約数の個数: 32

約数和(自身を含む): 1390287360

約数和(自身を除く): 723283672

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 206887, 413774, 827548, 1655096, 2689531, 5379062, 6413497, 10758124, 12826994, 21516248, 25653988, 51307976, 83375461, 166750922, 333501844, 667003688]

約数ペア:

[(1, 667003688), (2, 333501844), (4, 166750922), (8, 83375461), (13, 51307976), (26, 25653988), (31, 21516248), (52, 12826994), (62, 10758124), (104, 6413497), (124, 5379062), (248, 2689531), (403, 1655096), (806, 827548), (1612, 413774), (3224, 206887)]