22681984

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 49951440

約数和(自身を除く): 27269456

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 128, 172, 208, 317, 344, 416, 559, 634, 688, 832, 1118, 1268, 1376, 1664, 2236, 2536, 2752, 4121, 4472, 5072, 5504, 8242, 8944, 10144, 13631, 16484, 17888, 20288, 27262, 32968, 35776, 40576, 54524, 65936, 71552, 109048, 131872, 177203, 218096, 263744, 354406, 436192, 527488, 708812, 872384, 1417624, 1744768, 2835248, 5670496, 11340992, 22681984]

約数ペア:

[(1, 22681984), (2, 11340992), (4, 5670496), (8, 2835248), (13, 1744768), (16, 1417624), (26, 872384), (32, 708812), (43, 527488), (52, 436192), (64, 354406), (86, 263744), (104, 218096), (128, 177203), (172, 131872), (208, 109048), (317, 71552), (344, 65936), (416, 54524), (559, 40576), (634, 35776), (688, 32968), (832, 27262), (1118, 20288), (1268, 17888), (1376, 16484), (1664, 13631), (2236, 10144), (2536, 8944), (2752, 8242), (4121, 5504), (4472, 5072)]