81191936

素因数分解:

$2^{10}\times 7^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:315

約数の個数: 88

約数和(自身を含む): 190223616

約数和(自身を除く): 109031680

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 64, 94, 112, 128, 188, 224, 241, 256, 329, 376, 448, 482, 512, 658, 752, 896, 964, 1024, 1316, 1504, 1687, 1792, 1928, 2632, 3008, 3374, 3584, 3856, 5264, 6016, 6748, 7168, 7712, 10528, 11327, 12032, 13496, 15424, 21056, 22654, 24064, 26992, 30848, 42112, 45308, 48128, 53984, 61696, 79289, 84224, 90616, 107968, 123392, 158578, 168448, 181232, 215936, 246784, 317156, 336896, 362464, 431872, 634312, 724928, 863744, 1268624, 1449856, 1727488, 2537248, 2899712, 5074496, 5799424, 10148992, 11598848, 20297984, 40595968, 81191936]

約数ペア:

[(1, 81191936), (2, 40595968), (4, 20297984), (7, 11598848), (8, 10148992), (14, 5799424), (16, 5074496), (28, 2899712), (32, 2537248), (47, 1727488), (56, 1449856), (64, 1268624), (94, 863744), (112, 724928), (128, 634312), (188, 431872), (224, 362464), (241, 336896), (256, 317156), (329, 246784), (376, 215936), (448, 181232), (482, 168448), (512, 158578), (658, 123392), (752, 107968), (896, 90616), (964, 84224), (1024, 79289), (1316, 61696), (1504, 53984), (1687, 48128), (1792, 45308), (1928, 42112), (2632, 30848), (3008, 26992), (3374, 24064), (3584, 22654), (3856, 21056), (5264, 15424), (6016, 13496), (6748, 12032), (7168, 11327), (7712, 10528)]