81811456

素因数分解:

$2^{11}\times {\mathrm{43}}^1\times {\mathrm{929}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 167567400

約数和(自身を除く): 85755944

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 512, 688, 929, 1024, 1376, 1858, 2048, 2752, 3716, 5504, 7432, 11008, 14864, 22016, 29728, 39947, 44032, 59456, 79894, 88064, 118912, 159788, 237824, 319576, 475648, 639152, 951296, 1278304, 1902592, 2556608, 5113216, 10226432, 20452864, 40905728, 81811456]

約数ペア:

[(1, 81811456), (2, 40905728), (4, 20452864), (8, 10226432), (16, 5113216), (32, 2556608), (43, 1902592), (64, 1278304), (86, 951296), (128, 639152), (172, 475648), (256, 319576), (344, 237824), (512, 159788), (688, 118912), (929, 88064), (1024, 79894), (1376, 59456), (1858, 44032), (2048, 39947), (2752, 29728), (3716, 22016), (5504, 14864), (7432, 11008)]