2788973957

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{3659}}^1$

素因数の和:4217

約数の個数: 32

約数和(自身を含む): 3668198400

約数和(自身を除く): 879224443

約数列:

[1, 7, 11, 19, 77, 133, 209, 521, 1463, 3647, 3659, 5731, 9899, 25613, 40117, 40249, 69293, 69521, 108889, 281743, 486647, 762223, 764731, 1906339, 5353117, 13344373, 20969729, 36220441, 146788103, 253543087, 398424851, 2788973957]

約数ペア:

[(1, 2788973957), (7, 398424851), (11, 253543087), (19, 146788103), (77, 36220441), (133, 20969729), (209, 13344373), (521, 5353117), (1463, 1906339), (3647, 764731), (3659, 762223), (5731, 486647), (9899, 281743), (25613, 108889), (40117, 69521), (40249, 69293)]