15250993709

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{1039}}^1$

素因数の和:1290

約数の個数: 64

約数和(自身を含む): 20012728320

約数和(自身を除く): 4761734611

約数列:

[1, 7, 17, 23, 31, 119, 161, 173, 217, 391, 527, 713, 1039, 1211, 2737, 2941, 3689, 3979, 4991, 5363, 7273, 12121, 17663, 20587, 23897, 27853, 32209, 37541, 67643, 84847, 91171, 123349, 123641, 167279, 179747, 225463, 406249, 473501, 547553, 638197, 740807, 863443, 1258229, 2096933, 2843743, 3055699, 3832871, 4134181, 5185649, 5572157, 12593719, 14678531, 21389893, 28939267, 39005099, 70281077, 88156033, 94726669, 128159611, 491967539, 663086683, 897117277, 2178713387, 15250993709]

約数ペア:

[(1, 15250993709), (7, 2178713387), (17, 897117277), (23, 663086683), (31, 491967539), (119, 128159611), (161, 94726669), (173, 88156033), (217, 70281077), (391, 39005099), (527, 28939267), (713, 21389893), (1039, 14678531), (1211, 12593719), (2737, 5572157), (2941, 5185649), (3689, 4134181), (3979, 3832871), (4991, 3055699), (5363, 2843743), (7273, 2096933), (12121, 1258229), (17663, 863443), (20587, 740807), (23897, 638197), (27853, 547553), (32209, 473501), (37541, 406249), (67643, 225463), (84847, 179747), (91171, 167279), (123349, 123641)]