78281334

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{61253}}^1$

素因数の和:61332

約数の個数: 24

約数和(自身を含む): 172001232

約数和(自身を除く): 93719898

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 61253, 122506, 183759, 367518, 551277, 1102554, 4348963, 8697926, 13046889, 26093778, 39140667, 78281334]

約数ペア:

[(1, 78281334), (2, 39140667), (3, 26093778), (6, 13046889), (9, 8697926), (18, 4348963), (71, 1102554), (142, 551277), (213, 367518), (426, 183759), (639, 122506), (1278, 61253)]