205743775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{577}}^1\times {\mathrm{839}}^1$

素因数の和:1443

約数の個数: 24

約数和(自身を含む): 270920160

約数和(自身を除く): 65176385

約数列:

[1, 5, 17, 25, 85, 425, 577, 839, 2885, 4195, 9809, 14263, 14425, 20975, 49045, 71315, 245225, 356575, 484103, 2420515, 8229751, 12102575, 41148755, 205743775]

約数ペア:

[(1, 205743775), (5, 41148755), (17, 12102575), (25, 8229751), (85, 2420515), (425, 484103), (577, 356575), (839, 245225), (2885, 71315), (4195, 49045), (9809, 20975), (14263, 14425)]