398271155

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{1993}}^1\times {\mathrm{2351}}^1$

素因数の和:4366

約数の個数: 16

約数和(自身を含む): 506507904

約数和(自身を除く): 108236749

約数列:

[1, 5, 17, 85, 1993, 2351, 9965, 11755, 33881, 39967, 169405, 199835, 4685543, 23427715, 79654231, 398271155]

約数ペア:

[(1, 398271155), (5, 79654231), (17, 23427715), (85, 4685543), (1993, 199835), (2351, 169405), (9965, 39967), (11755, 33881)]