218617021

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{3923}}^1$

素因数の和:4368

約数の個数: 16

約数和(自身を含む): 263692800

約数和(自身を除く): 45075779

約数列:

[1, 7, 19, 133, 419, 2933, 3923, 7961, 27461, 55727, 74537, 521759, 1643737, 11506159, 31231003, 218617021]

約数ペア:

[(1, 218617021), (7, 31231003), (19, 11506159), (133, 1643737), (419, 521759), (2933, 74537), (3923, 55727), (7961, 27461)]