127721216

素因数分解:

$2^8\times 7^1\times {\mathrm{263}}^1\times {\mathrm{271}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 293551104

約数和(自身を除く): 165829888

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 263, 271, 448, 526, 542, 896, 1052, 1084, 1792, 1841, 1897, 2104, 2168, 3682, 3794, 4208, 4336, 7364, 7588, 8416, 8672, 14728, 15176, 16832, 17344, 29456, 30352, 33664, 34688, 58912, 60704, 67328, 69376, 71273, 117824, 121408, 142546, 235648, 242816, 285092, 471296, 485632, 498911, 570184, 997822, 1140368, 1995644, 2280736, 3991288, 4561472, 7982576, 9122944, 15965152, 18245888, 31930304, 63860608, 127721216]

約数ペア:

[(1, 127721216), (2, 63860608), (4, 31930304), (7, 18245888), (8, 15965152), (14, 9122944), (16, 7982576), (28, 4561472), (32, 3991288), (56, 2280736), (64, 1995644), (112, 1140368), (128, 997822), (224, 570184), (256, 498911), (263, 485632), (271, 471296), (448, 285092), (526, 242816), (542, 235648), (896, 142546), (1052, 121408), (1084, 117824), (1792, 71273), (1841, 69376), (1897, 67328), (2104, 60704), (2168, 58912), (3682, 34688), (3794, 33664), (4208, 30352), (4336, 29456), (7364, 17344), (7588, 16832), (8416, 15176), (8672, 14728)]