78013309

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 93063168

約数和(自身を除く): 15049859

約数列:

[1, 11, 23, 43, 71, 101, 253, 473, 781, 989, 1111, 1633, 2323, 3053, 4343, 7171, 10879, 17963, 25553, 33583, 47773, 70219, 78881, 99889, 164933, 308353, 772409, 1098779, 1814263, 3391883, 7092119, 78013309]

約数ペア:

[(1, 78013309), (11, 7092119), (23, 3391883), (43, 1814263), (71, 1098779), (101, 772409), (253, 308353), (473, 164933), (781, 99889), (989, 78881), (1111, 70219), (1633, 47773), (2323, 33583), (3053, 25553), (4343, 17963), (7171, 10879)]