207940999

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 258978816

約数和(自身を除く): 51037817

約数列:

[1, 7, 23, 37, 67, 161, 259, 469, 521, 851, 1541, 2479, 3647, 5957, 10787, 11983, 17353, 19277, 34907, 57017, 83881, 134939, 244349, 399119, 443371, 802861, 1291559, 3103597, 5620027, 9040913, 29705857, 207940999]

約数ペア:

[(1, 207940999), (7, 29705857), (23, 9040913), (37, 5620027), (67, 3103597), (161, 1291559), (259, 802861), (469, 443371), (521, 399119), (851, 244349), (1541, 134939), (2479, 83881), (3647, 57017), (5957, 34907), (10787, 19277), (11983, 17353)]