28578290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{599}}^1$

素因数の和:986

約数の個数: 32

約数和(自身を含む): 55641600

約数和(自身を除く): 27063310

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 367, 599, 734, 1198, 1835, 2995, 3670, 4771, 5990, 7787, 9542, 15574, 23855, 38935, 47710, 77870, 219833, 439666, 1099165, 2198330, 2857829, 5715658, 14289145, 28578290]

約数ペア:

[(1, 28578290), (2, 14289145), (5, 5715658), (10, 2857829), (13, 2198330), (26, 1099165), (65, 439666), (130, 219833), (367, 77870), (599, 47710), (734, 38935), (1198, 23855), (1835, 15574), (2995, 9542), (3670, 7787), (4771, 5990)]