155478908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{27431}}^1$

素因数の和:27557

約数の個数: 24

約数和(自身を含む): 295716960

約数和(自身を除く): 140238052

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 2834, 5668, 27431, 54862, 109724, 356603, 713206, 1426412, 2989979, 5979958, 11959916, 38869727, 77739454, 155478908]

約数ペア:

[(1, 155478908), (2, 77739454), (4, 38869727), (13, 11959916), (26, 5979958), (52, 2989979), (109, 1426412), (218, 713206), (436, 356603), (1417, 109724), (2834, 54862), (5668, 27431)]