25784715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^2$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 47121408

約数和(自身を除く): 21336693

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 71, 93, 155, 165, 213, 341, 355, 465, 781, 1023, 1065, 1705, 2201, 2343, 3905, 5041, 5115, 6603, 11005, 11715, 15123, 24211, 25205, 33015, 55451, 72633, 75615, 121055, 156271, 166353, 277255, 363165, 468813, 781355, 831765, 1718981, 2344065, 5156943, 8594905, 25784715]

約数ペア:

[(1, 25784715), (3, 8594905), (5, 5156943), (11, 2344065), (15, 1718981), (31, 831765), (33, 781355), (55, 468813), (71, 363165), (93, 277255), (155, 166353), (165, 156271), (213, 121055), (341, 75615), (355, 72633), (465, 55451), (781, 33015), (1023, 25205), (1065, 24211), (1705, 15123), (2201, 11715), (2343, 11005), (3905, 6603), (5041, 5115)]