81726848

素因数分解:

$2^7\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1721}}^1$

素因数の和:1795

約数の個数: 64

約数和(自身を含む): 189695520

約数和(自身を除く): 107968672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 106, 112, 128, 212, 224, 371, 424, 448, 742, 848, 896, 1484, 1696, 1721, 2968, 3392, 3442, 5936, 6784, 6884, 11872, 12047, 13768, 23744, 24094, 27536, 47488, 48188, 55072, 91213, 96376, 110144, 182426, 192752, 220288, 364852, 385504, 638491, 729704, 771008, 1276982, 1459408, 1542016, 2553964, 2918816, 5107928, 5837632, 10215856, 11675264, 20431712, 40863424, 81726848]

約数ペア:

[(1, 81726848), (2, 40863424), (4, 20431712), (7, 11675264), (8, 10215856), (14, 5837632), (16, 5107928), (28, 2918816), (32, 2553964), (53, 1542016), (56, 1459408), (64, 1276982), (106, 771008), (112, 729704), (128, 638491), (212, 385504), (224, 364852), (371, 220288), (424, 192752), (448, 182426), (742, 110144), (848, 96376), (896, 91213), (1484, 55072), (1696, 48188), (1721, 47488), (2968, 27536), (3392, 24094), (3442, 23744), (5936, 13768), (6784, 12047), (6884, 11872)]