68575025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{509}}^1$

素因数の和:853

約数の個数: 24

約数和(自身を含む): 90496440

約数和(自身を除く): 21921415

約数列:

[1, 5, 17, 25, 85, 317, 425, 509, 1585, 2545, 5389, 7925, 8653, 12725, 26945, 43265, 134725, 161353, 216325, 806765, 2743001, 4033825, 13715005, 68575025]

約数ペア:

[(1, 68575025), (5, 13715005), (17, 4033825), (25, 2743001), (85, 806765), (317, 216325), (425, 161353), (509, 134725), (1585, 43265), (2545, 26945), (5389, 12725), (7925, 8653)]