439702016

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2131}}^1$

素因数の和:2193

約数の個数: 80

約数和(自身を含む): 977104128

約数和(自身を除く): 537402112

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 512, 806, 832, 992, 1612, 1664, 1984, 2131, 3224, 3328, 3968, 4262, 6448, 6656, 7936, 8524, 12896, 15872, 17048, 25792, 27703, 34096, 51584, 55406, 66061, 68192, 103168, 110812, 132122, 136384, 206336, 221624, 264244, 272768, 443248, 528488, 545536, 858793, 886496, 1056976, 1091072, 1717586, 1772992, 2113952, 3435172, 3545984, 4227904, 6870344, 7091968, 8455808, 13740688, 14183936, 16911616, 27481376, 33823232, 54962752, 109925504, 219851008, 439702016]

約数ペア:

[(1, 439702016), (2, 219851008), (4, 109925504), (8, 54962752), (13, 33823232), (16, 27481376), (26, 16911616), (31, 14183936), (32, 13740688), (52, 8455808), (62, 7091968), (64, 6870344), (104, 4227904), (124, 3545984), (128, 3435172), (208, 2113952), (248, 1772992), (256, 1717586), (403, 1091072), (416, 1056976), (496, 886496), (512, 858793), (806, 545536), (832, 528488), (992, 443248), (1612, 272768), (1664, 264244), (1984, 221624), (2131, 206336), (3224, 136384), (3328, 132122), (3968, 110812), (4262, 103168), (6448, 68192), (6656, 66061), (7936, 55406), (8524, 51584), (12896, 34096), (15872, 27703), (17048, 25792)]