1292425216

素因数分解:

$2^{11}\times {\mathrm{31}}^1\times {\mathrm{20357}}^1$

素因数の和:20410

約数の個数: 48

約数和(自身を含む): 2667712320

約数和(自身を除く): 1375287104

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1024, 1984, 2048, 3968, 7936, 15872, 20357, 31744, 40714, 63488, 81428, 162856, 325712, 631067, 651424, 1262134, 1302848, 2524268, 2605696, 5048536, 5211392, 10097072, 10422784, 20194144, 20845568, 40388288, 41691136, 80776576, 161553152, 323106304, 646212608, 1292425216]

約数ペア:

[(1, 1292425216), (2, 646212608), (4, 323106304), (8, 161553152), (16, 80776576), (31, 41691136), (32, 40388288), (62, 20845568), (64, 20194144), (124, 10422784), (128, 10097072), (248, 5211392), (256, 5048536), (496, 2605696), (512, 2524268), (992, 1302848), (1024, 1262134), (1984, 651424), (2048, 631067), (3968, 325712), (7936, 162856), (15872, 81428), (20357, 63488), (31744, 40714)]