28741888

素因数分解:

$2^8\times 7^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1$

素因数の和:439

約数の個数: 72

約数和(自身を含む): 67272128

約数和(自身を除く): 38530240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 86, 112, 128, 172, 224, 256, 301, 344, 373, 448, 602, 688, 746, 896, 1204, 1376, 1492, 1792, 2408, 2611, 2752, 2984, 4816, 5222, 5504, 5968, 9632, 10444, 11008, 11936, 16039, 19264, 20888, 23872, 32078, 38528, 41776, 47744, 64156, 77056, 83552, 95488, 112273, 128312, 167104, 224546, 256624, 334208, 449092, 513248, 668416, 898184, 1026496, 1796368, 2052992, 3592736, 4105984, 7185472, 14370944, 28741888]

約数ペア:

[(1, 28741888), (2, 14370944), (4, 7185472), (7, 4105984), (8, 3592736), (14, 2052992), (16, 1796368), (28, 1026496), (32, 898184), (43, 668416), (56, 513248), (64, 449092), (86, 334208), (112, 256624), (128, 224546), (172, 167104), (224, 128312), (256, 112273), (301, 95488), (344, 83552), (373, 77056), (448, 64156), (602, 47744), (688, 41776), (746, 38528), (896, 32078), (1204, 23872), (1376, 20888), (1492, 19264), (1792, 16039), (2408, 11936), (2611, 11008), (2752, 10444), (2984, 9632), (4816, 5968), (5222, 5504)]