1279672025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{15601}}^1$

素因数の和:15821

約数の個数: 24

約数和(自身を含む): 1688947704

約数和(自身を除く): 409275679

約数列:

[1, 5, 17, 25, 85, 193, 425, 965, 3281, 4825, 15601, 16405, 78005, 82025, 265217, 390025, 1326085, 3010993, 6630425, 15054965, 51186881, 75274825, 255934405, 1279672025]

約数ペア:

[(1, 1279672025), (5, 255934405), (17, 75274825), (25, 51186881), (85, 15054965), (193, 6630425), (425, 3010993), (965, 1326085), (3281, 390025), (4825, 265217), (15601, 82025), (16405, 78005)]