161947648

素因数分解:

$2^{13}\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:452

約数の個数: 56

約数和(自身を含む): 330871068

約数和(自身を除く): 168923420

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 212, 256, 373, 424, 512, 746, 848, 1024, 1492, 1696, 2048, 2984, 3392, 4096, 5968, 6784, 8192, 11936, 13568, 19769, 23872, 27136, 39538, 47744, 54272, 79076, 95488, 108544, 158152, 190976, 217088, 316304, 381952, 434176, 632608, 763904, 1265216, 1527808, 2530432, 3055616, 5060864, 10121728, 20243456, 40486912, 80973824, 161947648]

約数ペア:

[(1, 161947648), (2, 80973824), (4, 40486912), (8, 20243456), (16, 10121728), (32, 5060864), (53, 3055616), (64, 2530432), (106, 1527808), (128, 1265216), (212, 763904), (256, 632608), (373, 434176), (424, 381952), (512, 316304), (746, 217088), (848, 190976), (1024, 158152), (1492, 108544), (1696, 95488), (2048, 79076), (2984, 54272), (3392, 47744), (4096, 39538), (5968, 27136), (6784, 23872), (8192, 19769), (11936, 13568)]