207988105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 274730400

約数和(自身を除く): 66742295

約数列:

[1, 5, 13, 65, 89, 157, 229, 445, 785, 1145, 1157, 2041, 2977, 5785, 10205, 13973, 14885, 20381, 35953, 69865, 101905, 179765, 181649, 264953, 467389, 908245, 1324765, 2336945, 3199817, 15999085, 41597621, 207988105]

約数ペア:

[(1, 207988105), (5, 41597621), (13, 15999085), (65, 3199817), (89, 2336945), (157, 1324765), (229, 908245), (445, 467389), (785, 264953), (1145, 181649), (1157, 179765), (2041, 101905), (2977, 69865), (5785, 35953), (10205, 20381), (13973, 14885)]