66985405

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{1381}}^1$

素因数の和:1584

約数の個数: 16

約数和(自身を含む): 82090800

約数和(自身を除く): 15105395

約数列:

[1, 5, 89, 109, 445, 545, 1381, 6905, 9701, 48505, 122909, 150529, 614545, 752645, 13397081, 66985405]

約数ペア:

[(1, 66985405), (5, 13397081), (89, 752645), (109, 614545), (445, 150529), (545, 122909), (1381, 48505), (6905, 9701)]