39813865

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 60715008

約数和(自身を除く): 20901143

約数列:

[1, 5, 7, 13, 35, 53, 65, 91, 127, 169, 265, 371, 455, 635, 689, 845, 889, 1183, 1651, 1855, 3445, 4445, 4823, 5915, 6731, 8255, 8957, 11557, 21463, 24115, 33655, 44785, 47117, 57785, 62699, 87503, 107315, 150241, 235585, 313495, 437515, 612521, 751205, 1137539, 3062605, 5687695, 7962773, 39813865]

約数ペア:

[(1, 39813865), (5, 7962773), (7, 5687695), (13, 3062605), (35, 1137539), (53, 751205), (65, 612521), (91, 437515), (127, 313495), (169, 235585), (265, 150241), (371, 107315), (455, 87503), (635, 62699), (689, 57785), (845, 47117), (889, 44785), (1183, 33655), (1651, 24115), (1855, 21463), (3445, 11557), (4445, 8957), (4823, 8255), (5915, 6731)]