28258048

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1213}}^1$

素因数の和:1249

約数の個数: 72

約数和(自身を含む): 69479648

約数和(自身を除く): 41221600

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 728, 832, 896, 1213, 1456, 1664, 1792, 2426, 2912, 3328, 4852, 5824, 8491, 9704, 11648, 15769, 16982, 19408, 23296, 31538, 33964, 38816, 63076, 67928, 77632, 110383, 126152, 135856, 155264, 220766, 252304, 271712, 310528, 441532, 504608, 543424, 883064, 1009216, 1086848, 1766128, 2018432, 2173696, 3532256, 4036864, 7064512, 14129024, 28258048]

約数ペア:

[(1, 28258048), (2, 14129024), (4, 7064512), (7, 4036864), (8, 3532256), (13, 2173696), (14, 2018432), (16, 1766128), (26, 1086848), (28, 1009216), (32, 883064), (52, 543424), (56, 504608), (64, 441532), (91, 310528), (104, 271712), (112, 252304), (128, 220766), (182, 155264), (208, 135856), (224, 126152), (256, 110383), (364, 77632), (416, 67928), (448, 63076), (728, 38816), (832, 33964), (896, 31538), (1213, 23296), (1456, 19408), (1664, 16982), (1792, 15769), (2426, 11648), (2912, 9704), (3328, 8491), (4852, 5824)]