2016758905

素因数分解:

$5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{269}}^1\times {\mathrm{431}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 2872143360

約数和(自身を除く): 855384455

約数列:

[1, 5, 7, 35, 49, 71, 245, 269, 355, 431, 497, 1345, 1883, 2155, 2485, 3017, 3479, 9415, 13181, 15085, 17395, 19099, 21119, 30601, 65905, 95495, 105595, 115939, 133693, 153005, 214207, 579695, 668465, 811573, 935851, 1071035, 1499449, 4057865, 4679255, 5681011, 7497245, 8231669, 28405055, 41158345, 57621683, 288108415, 403351781, 2016758905]

約数ペア:

[(1, 2016758905), (5, 403351781), (7, 288108415), (35, 57621683), (49, 41158345), (71, 28405055), (245, 8231669), (269, 7497245), (355, 5681011), (431, 4679255), (497, 4057865), (1345, 1499449), (1883, 1071035), (2155, 935851), (2485, 811573), (3017, 668465), (3479, 579695), (9415, 214207), (13181, 153005), (15085, 133693), (17395, 115939), (19099, 105595), (21119, 95495), (30601, 65905)]