261567364885

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{1171}}^1\times {\mathrm{4513}}^1$

素因数の和:6229

約数の個数: 32

約数和(自身を含む): 331391157120

約数和(自身を除く): 69823792235

約数列:

[1, 5, 19, 95, 521, 1171, 2605, 4513, 5855, 9899, 22249, 22565, 49495, 85747, 111245, 428735, 610091, 2351273, 3050455, 5284723, 11591729, 11756365, 26423615, 44674187, 57958645, 100409737, 223370935, 502048685, 2753340683, 13766703415, 52313472977, 261567364885]

約数ペア:

[(1, 261567364885), (5, 52313472977), (19, 13766703415), (95, 2753340683), (521, 502048685), (1171, 223370935), (2605, 100409737), (4513, 57958645), (5855, 44674187), (9899, 26423615), (22249, 11756365), (22565, 11591729), (49495, 5284723), (85747, 3050455), (111245, 2351273), (428735, 610091)]