123838910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{13417}}^1$

素因数の和:13508

約数の個数: 32

約数和(自身を含む): 243456192

約数和(自身を除く): 119617282

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 13417, 26834, 67085, 134170, 174421, 348842, 872105, 952607, 1744210, 1905214, 4763035, 9526070, 12383891, 24767782, 61919455, 123838910]

約数ペア:

[(1, 123838910), (2, 61919455), (5, 24767782), (10, 12383891), (13, 9526070), (26, 4763035), (65, 1905214), (71, 1744210), (130, 952607), (142, 872105), (355, 348842), (710, 174421), (923, 134170), (1846, 67085), (4615, 26834), (9230, 13417)]