220470016

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2137}}^1$

素因数の和:2197

約数の個数: 72

約数和(自身を含む): 489448064

約数和(自身を除く): 268978048

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 806, 832, 992, 1612, 1664, 1984, 2137, 3224, 3328, 3968, 4274, 6448, 7936, 8548, 12896, 17096, 25792, 27781, 34192, 51584, 55562, 66247, 68384, 103168, 111124, 132494, 136768, 222248, 264988, 273536, 444496, 529976, 547072, 861211, 888992, 1059952, 1722422, 1777984, 2119904, 3444844, 3555968, 4239808, 6889688, 7111936, 8479616, 13779376, 16959232, 27558752, 55117504, 110235008, 220470016]

約数ペア:

[(1, 220470016), (2, 110235008), (4, 55117504), (8, 27558752), (13, 16959232), (16, 13779376), (26, 8479616), (31, 7111936), (32, 6889688), (52, 4239808), (62, 3555968), (64, 3444844), (104, 2119904), (124, 1777984), (128, 1722422), (208, 1059952), (248, 888992), (256, 861211), (403, 547072), (416, 529976), (496, 444496), (806, 273536), (832, 264988), (992, 222248), (1612, 136768), (1664, 132494), (1984, 111124), (2137, 103168), (3224, 68384), (3328, 66247), (3968, 55562), (4274, 51584), (6448, 34192), (7936, 27781), (8548, 25792), (12896, 17096)]