520088387

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{1291}}^1$

素因数の和:1563

約数の個数: 32

約数和(自身を含む): 677214720

約数和(自身を除く): 157126333

約数列:

[1, 7, 13, 19, 91, 133, 233, 247, 1291, 1631, 1729, 3029, 4427, 9037, 16783, 21203, 24529, 30989, 57551, 117481, 171703, 300803, 318877, 402857, 2105621, 2232139, 3910439, 5715257, 27373073, 40006799, 74298341, 520088387]

約数ペア:

[(1, 520088387), (7, 74298341), (13, 40006799), (19, 27373073), (91, 5715257), (133, 3910439), (233, 2232139), (247, 2105621), (1291, 402857), (1631, 318877), (1729, 300803), (3029, 171703), (4427, 117481), (9037, 57551), (16783, 30989), (21203, 24529)]