2263261

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:74

約数の個数: 48

約数和(自身を含む): 3447360

約数和(自身を除く): 1184099

約数列:

[1, 7, 11, 13, 17, 19, 49, 77, 91, 119, 133, 143, 187, 209, 221, 247, 323, 539, 637, 833, 931, 1001, 1309, 1463, 1547, 1729, 2261, 2431, 2717, 3553, 4199, 7007, 9163, 10241, 10829, 12103, 15827, 17017, 19019, 24871, 29393, 46189, 119119, 133133, 174097, 205751, 323323, 2263261]

約数ペア:

[(1, 2263261), (7, 323323), (11, 205751), (13, 174097), (17, 133133), (19, 119119), (49, 46189), (77, 29393), (91, 24871), (119, 19019), (133, 17017), (143, 15827), (187, 12103), (209, 10829), (221, 10241), (247, 9163), (323, 7007), (539, 4199), (637, 3553), (833, 2717), (931, 2431), (1001, 2261), (1309, 1729), (1463, 1547)]