81620396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4603}}^1$

素因数の和:4662

約数の個数: 48

約数和(自身を含む): 173257728

約数和(自身を除く): 91637332

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 62, 124, 143, 286, 341, 403, 572, 682, 806, 1364, 1612, 4433, 4603, 8866, 9206, 17732, 18412, 50633, 59839, 101266, 119678, 142693, 202532, 239356, 285386, 570772, 658229, 1316458, 1569623, 1855009, 2632916, 3139246, 3710018, 6278492, 7420036, 20405099, 40810198, 81620396]

約数ペア:

[(1, 81620396), (2, 40810198), (4, 20405099), (11, 7420036), (13, 6278492), (22, 3710018), (26, 3139246), (31, 2632916), (44, 1855009), (52, 1569623), (62, 1316458), (124, 658229), (143, 570772), (286, 285386), (341, 239356), (403, 202532), (572, 142693), (682, 119678), (806, 101266), (1364, 59839), (1612, 50633), (4433, 18412), (4603, 17732), (8866, 9206)]