408080075

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{96587}}^1$

素因数の和:96623

約数の個数: 18

約数和(自身を含む): 547943724

約数和(自身を除く): 139863649

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 96587, 482935, 1255631, 2414675, 6278155, 16323203, 31390775, 81616015, 408080075]

約数ペア:

[(1, 408080075), (5, 81616015), (13, 31390775), (25, 16323203), (65, 6278155), (169, 2414675), (325, 1255631), (845, 482935), (4225, 96587)]