80712905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3347}}^1$

素因数の和:3425

約数の個数: 32

約数和(自身を含む): 121492224

約数和(自身を除く): 40779319

約数列:

[1, 5, 7, 13, 35, 53, 65, 91, 265, 371, 455, 689, 1855, 3347, 3445, 4823, 16735, 23429, 24115, 43511, 117145, 177391, 217555, 304577, 886955, 1241737, 1522885, 2306083, 6208685, 11530415, 16142581, 80712905]

約数ペア:

[(1, 80712905), (5, 16142581), (7, 11530415), (13, 6208685), (35, 2306083), (53, 1522885), (65, 1241737), (91, 886955), (265, 304577), (371, 217555), (455, 177391), (689, 117145), (1855, 43511), (3347, 24115), (3445, 23429), (4823, 16735)]