77798825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 112284480

約数和(自身を除く): 34485655

約数列:

[1, 5, 13, 19, 25, 43, 65, 95, 215, 247, 293, 325, 475, 559, 817, 1075, 1235, 1465, 2795, 3809, 4085, 5567, 6175, 7325, 10621, 12599, 13975, 19045, 20425, 27835, 53105, 62995, 72371, 95225, 139175, 163787, 239381, 265525, 314975, 361855, 818935, 1196905, 1809275, 3111953, 4094675, 5984525, 15559765, 77798825]

約数ペア:

[(1, 77798825), (5, 15559765), (13, 5984525), (19, 4094675), (25, 3111953), (43, 1809275), (65, 1196905), (95, 818935), (215, 361855), (247, 314975), (293, 265525), (325, 239381), (475, 163787), (559, 139175), (817, 95225), (1075, 72371), (1235, 62995), (1465, 53105), (2795, 27835), (3809, 20425), (4085, 19045), (5567, 13975), (6175, 12599), (7325, 10621)]