12428405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2539}}^1$

素因数の和:2644

約数の個数: 16

約数和(自身を含む): 16459200

約数和(自身を除く): 4030795

約数列:

[1, 5, 11, 55, 89, 445, 979, 2539, 4895, 12695, 27929, 139645, 225971, 1129855, 2485681, 12428405]

約数ペア:

[(1, 12428405), (5, 2485681), (11, 1129855), (55, 225971), (89, 139645), (445, 27929), (979, 12695), (2539, 4895)]