3985865

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:173

約数の個数: 24

約数和(自身を含む): 5336280

約数和(自身を除く): 1350415

約数列:

[1, 5, 13, 53, 65, 89, 169, 265, 445, 689, 845, 1157, 3445, 4717, 5785, 8957, 15041, 23585, 44785, 61321, 75205, 306605, 797173, 3985865]

約数ペア:

[(1, 3985865), (5, 797173), (13, 306605), (53, 75205), (65, 61321), (89, 44785), (169, 23585), (265, 15041), (445, 8957), (689, 5785), (845, 4717), (1157, 3445)]