28268032

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:199

約数の個数: 80

約数和(自身を含む): 63245952

約数和(自身を除く): 34977920

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 137, 208, 248, 256, 274, 403, 416, 496, 512, 548, 806, 832, 992, 1096, 1612, 1664, 1781, 1984, 2192, 3224, 3328, 3562, 3968, 4247, 4384, 6448, 6656, 7124, 7936, 8494, 8768, 12896, 14248, 15872, 16988, 17536, 25792, 28496, 33976, 35072, 51584, 55211, 56992, 67952, 70144, 103168, 110422, 113984, 135904, 206336, 220844, 227968, 271808, 441688, 455936, 543616, 883376, 911872, 1087232, 1766752, 2174464, 3533504, 7067008, 14134016, 28268032]

約数ペア:

[(1, 28268032), (2, 14134016), (4, 7067008), (8, 3533504), (13, 2174464), (16, 1766752), (26, 1087232), (31, 911872), (32, 883376), (52, 543616), (62, 455936), (64, 441688), (104, 271808), (124, 227968), (128, 220844), (137, 206336), (208, 135904), (248, 113984), (256, 110422), (274, 103168), (403, 70144), (416, 67952), (496, 56992), (512, 55211), (548, 51584), (806, 35072), (832, 33976), (992, 28496), (1096, 25792), (1612, 17536), (1664, 16988), (1781, 15872), (1984, 14248), (2192, 12896), (3224, 8768), (3328, 8494), (3562, 7936), (3968, 7124), (4247, 6656), (4384, 6448)]