140908405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{20173}}^1$

素因数の和:20316

約数の個数: 16

約数和(自身を含む): 185923584

約数和(自身を除く): 45015179

約数列:

[1, 5, 11, 55, 127, 635, 1397, 6985, 20173, 100865, 221903, 1109515, 2561971, 12809855, 28181681, 140908405]

約数ペア:

[(1, 140908405), (5, 28181681), (11, 12809855), (55, 2561971), (127, 1109515), (635, 221903), (1397, 100865), (6985, 20173)]