181981504

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{743}}^1$

素因数の和:887

約数の個数: 56

約数和(自身を含む): 374172480

約数和(自身を除く): 192190976

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 89, 172, 178, 344, 356, 688, 712, 743, 1376, 1424, 1486, 2752, 2848, 2972, 3827, 5696, 5944, 7654, 11888, 15308, 23776, 30616, 31949, 47552, 61232, 63898, 66127, 122464, 127796, 132254, 244928, 255592, 264508, 511184, 529016, 1022368, 1058032, 2044736, 2116064, 2843461, 4232128, 5686922, 11373844, 22747688, 45495376, 90990752, 181981504]

約数ペア:

[(1, 181981504), (2, 90990752), (4, 45495376), (8, 22747688), (16, 11373844), (32, 5686922), (43, 4232128), (64, 2843461), (86, 2116064), (89, 2044736), (172, 1058032), (178, 1022368), (344, 529016), (356, 511184), (688, 264508), (712, 255592), (743, 244928), (1376, 132254), (1424, 127796), (1486, 122464), (2752, 66127), (2848, 63898), (2972, 61232), (3827, 47552), (5696, 31949), (5944, 30616), (7654, 23776), (11888, 15308)]