22688405

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{809}}^1$

素因数の和:964

約数の個数: 16

約数和(自身を含む): 27993600

約数和(自身を除く): 5305195

約数列:

[1, 5, 71, 79, 355, 395, 809, 4045, 5609, 28045, 57439, 63911, 287195, 319555, 4537681, 22688405]

約数ペア:

[(1, 22688405), (5, 4537681), (71, 319555), (79, 287195), (355, 63911), (395, 57439), (809, 28045), (4045, 5609)]