28110208

素因数分解:

$2^7\times 7^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 64749600

約数和(自身を除く): 36639392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 137, 224, 229, 274, 448, 458, 548, 896, 916, 959, 1096, 1603, 1832, 1918, 2192, 3206, 3664, 3836, 4384, 6412, 7328, 7672, 8768, 12824, 14656, 15344, 17536, 25648, 29312, 30688, 31373, 51296, 61376, 62746, 102592, 122752, 125492, 205184, 219611, 250984, 439222, 501968, 878444, 1003936, 1756888, 2007872, 3513776, 4015744, 7027552, 14055104, 28110208]

約数ペア:

[(1, 28110208), (2, 14055104), (4, 7027552), (7, 4015744), (8, 3513776), (14, 2007872), (16, 1756888), (28, 1003936), (32, 878444), (56, 501968), (64, 439222), (112, 250984), (128, 219611), (137, 205184), (224, 125492), (229, 122752), (274, 102592), (448, 62746), (458, 61376), (548, 51296), (896, 31373), (916, 30688), (959, 29312), (1096, 25648), (1603, 17536), (1832, 15344), (1918, 14656), (2192, 12824), (3206, 8768), (3664, 7672), (3836, 7328), (4384, 6412)]