490628894

素因数分解:

$2^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{177893}}^1$

素因数の和:178099

約数の個数: 16

約数和(自身を含む): 845352288

約数和(自身を除く): 354723394

約数列:

[1, 2, 7, 14, 197, 394, 1379, 2758, 177893, 355786, 1245251, 2490502, 35044921, 70089842, 245314447, 490628894]

約数ペア:

[(1, 490628894), (2, 245314447), (7, 70089842), (14, 35044921), (197, 2490502), (394, 1245251), (1379, 355786), (2758, 177893)]