208026805

素因数分解:

$5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{11959}}^1$

素因数の和:12049

約数の個数: 24

約数和(自身を含む): 294503040

約数和(自身を除く): 86476235

約数列:

[1, 5, 7, 35, 49, 71, 245, 355, 497, 2485, 3479, 11959, 17395, 59795, 83713, 418565, 585991, 849089, 2929955, 4245445, 5943623, 29718115, 41605361, 208026805]

約数ペア:

[(1, 208026805), (5, 41605361), (7, 29718115), (35, 5943623), (49, 4245445), (71, 2929955), (245, 849089), (355, 585991), (497, 418565), (2485, 83713), (3479, 59795), (11959, 17395)]