7868575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 11999232

約数和(自身を除く): 4130657

約数列:

[1, 5, 11, 13, 25, 31, 55, 65, 71, 143, 155, 275, 325, 341, 355, 403, 715, 775, 781, 923, 1705, 1775, 2015, 2201, 3575, 3905, 4433, 4615, 8525, 10075, 10153, 11005, 19525, 22165, 23075, 24211, 28613, 50765, 55025, 110825, 121055, 143065, 253825, 314743, 605275, 715325, 1573715, 7868575]

約数ペア:

[(1, 7868575), (5, 1573715), (11, 715325), (13, 605275), (25, 314743), (31, 253825), (55, 143065), (65, 121055), (71, 110825), (143, 55025), (155, 50765), (275, 28613), (325, 24211), (341, 23075), (355, 22165), (403, 19525), (715, 11005), (775, 10153), (781, 10075), (923, 8525), (1705, 4615), (1775, 4433), (2015, 3905), (2201, 3575)]