16990157

素因数分解:

${\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:352

約数の個数: 16

約数和(自身を含む): 18604080

約数和(自身を除く): 1613923

約数列:

[1, 17, 53, 109, 173, 901, 1853, 2941, 5777, 9169, 18857, 98209, 155873, 320569, 999421, 16990157]

約数ペア:

[(1, 16990157), (17, 999421), (53, 320569), (109, 155873), (173, 98209), (901, 18857), (1853, 9169), (2941, 5777)]