207917045

素因数分解:

$5^1\times 7^2\times {\mathrm{809}}^1\times {\mathrm{1049}}^1$

素因数の和:1877

約数の個数: 24

約数和(自身を含む): 290871000

約数和(自身を除く): 82953955

約数列:

[1, 5, 7, 35, 49, 245, 809, 1049, 4045, 5245, 5663, 7343, 28315, 36715, 39641, 51401, 198205, 257005, 848641, 4243205, 5940487, 29702435, 41583409, 207917045]

約数ペア:

[(1, 207917045), (5, 41583409), (7, 29702435), (35, 5940487), (49, 4243205), (245, 848641), (809, 257005), (1049, 198205), (4045, 51401), (5245, 39641), (5663, 36715), (7343, 28315)]