28589015

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3307}}^1$

素因数の和:3351

約数の個数: 32

約数和(自身を含む): 44459520

約数和(自身を除く): 15870505

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1729, 3307, 8645, 16535, 23149, 42991, 62833, 115745, 214955, 300937, 314165, 439831, 816829, 1504685, 2199155, 4084145, 5717803, 28589015]

約数ペア:

[(1, 28589015), (5, 5717803), (7, 4084145), (13, 2199155), (19, 1504685), (35, 816829), (65, 439831), (91, 314165), (95, 300937), (133, 214955), (247, 115745), (455, 62833), (665, 42991), (1235, 23149), (1729, 16535), (3307, 8645)]