28281344

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1$

素因数の和:645

約数の個数: 80

約数和(自身を含む): 69662208

約数和(自身を除く): 41380864

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, 512, 607, 728, 832, 896, 1214, 1456, 1664, 1792, 2428, 2912, 3328, 3584, 4249, 4856, 5824, 6656, 7891, 8498, 9712, 11648, 15782, 16996, 19424, 23296, 31564, 33992, 38848, 46592, 55237, 63128, 67984, 77696, 110474, 126256, 135968, 155392, 220948, 252512, 271936, 310784, 441896, 505024, 543872, 883792, 1010048, 1087744, 1767584, 2020096, 2175488, 3535168, 4040192, 7070336, 14140672, 28281344]

約数ペア:

[(1, 28281344), (2, 14140672), (4, 7070336), (7, 4040192), (8, 3535168), (13, 2175488), (14, 2020096), (16, 1767584), (26, 1087744), (28, 1010048), (32, 883792), (52, 543872), (56, 505024), (64, 441896), (91, 310784), (104, 271936), (112, 252512), (128, 220948), (182, 155392), (208, 135968), (224, 126256), (256, 110474), (364, 77696), (416, 67984), (448, 63128), (512, 55237), (607, 46592), (728, 38848), (832, 33992), (896, 31564), (1214, 23296), (1456, 19424), (1664, 16996), (1792, 15782), (2428, 11648), (2912, 9712), (3328, 8498), (3584, 7891), (4249, 6656), (4856, 5824)]