28117264

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:288

約数の個数: 80

約数和(自身を含む): 66801280

約数和(自身を除く): 38684016

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 73, 76, 112, 133, 146, 152, 181, 266, 292, 304, 362, 511, 532, 584, 724, 1022, 1064, 1168, 1267, 1387, 1448, 2044, 2128, 2534, 2774, 2896, 3439, 4088, 5068, 5548, 6878, 8176, 9709, 10136, 11096, 13213, 13756, 19418, 20272, 22192, 24073, 26426, 27512, 38836, 48146, 52852, 55024, 77672, 92491, 96292, 105704, 155344, 184982, 192584, 211408, 251047, 369964, 385168, 502094, 739928, 1004188, 1479856, 1757329, 2008376, 3514658, 4016752, 7029316, 14058632, 28117264]

約数ペア:

[(1, 28117264), (2, 14058632), (4, 7029316), (7, 4016752), (8, 3514658), (14, 2008376), (16, 1757329), (19, 1479856), (28, 1004188), (38, 739928), (56, 502094), (73, 385168), (76, 369964), (112, 251047), (133, 211408), (146, 192584), (152, 184982), (181, 155344), (266, 105704), (292, 96292), (304, 92491), (362, 77672), (511, 55024), (532, 52852), (584, 48146), (724, 38836), (1022, 27512), (1064, 26426), (1168, 24073), (1267, 22192), (1387, 20272), (1448, 19418), (2044, 13756), (2128, 13213), (2534, 11096), (2774, 10136), (2896, 9709), (3439, 8176), (4088, 6878), (5068, 5548)]