1231761664

素因数分解:

$2^8\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1069}}^1$

素因数の和:1735

約数の個数: 72

約数和(自身を含む): 2816959040

約数和(自身を除く): 1585197376

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 643, 896, 1069, 1286, 1792, 2138, 2572, 4276, 4501, 5144, 7483, 8552, 9002, 10288, 14966, 17104, 18004, 20576, 29932, 34208, 36008, 41152, 59864, 68416, 72016, 82304, 119728, 136832, 144032, 164608, 239456, 273664, 288064, 478912, 576128, 687367, 957824, 1152256, 1374734, 1915648, 2749468, 4811569, 5498936, 9623138, 10997872, 19246276, 21995744, 38492552, 43991488, 76985104, 87982976, 153970208, 175965952, 307940416, 615880832, 1231761664]

約数ペア:

[(1, 1231761664), (2, 615880832), (4, 307940416), (7, 175965952), (8, 153970208), (14, 87982976), (16, 76985104), (28, 43991488), (32, 38492552), (56, 21995744), (64, 19246276), (112, 10997872), (128, 9623138), (224, 5498936), (256, 4811569), (448, 2749468), (643, 1915648), (896, 1374734), (1069, 1152256), (1286, 957824), (1792, 687367), (2138, 576128), (2572, 478912), (4276, 288064), (4501, 273664), (5144, 239456), (7483, 164608), (8552, 144032), (9002, 136832), (10288, 119728), (14966, 82304), (17104, 72016), (18004, 68416), (20576, 59864), (29932, 41152), (34208, 36008)]