81498368

素因数分解:

$2^8\times 7^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:192

約数の個数: 108

約数和(自身を含む): 193985820

約数和(自身を除く): 112487452

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 73, 89, 98, 112, 128, 146, 178, 196, 224, 256, 292, 356, 392, 448, 511, 584, 623, 712, 784, 896, 1022, 1168, 1246, 1424, 1568, 1792, 2044, 2336, 2492, 2848, 3136, 3577, 4088, 4361, 4672, 4984, 5696, 6272, 6497, 7154, 8176, 8722, 9344, 9968, 11392, 12544, 12994, 14308, 16352, 17444, 18688, 19936, 22784, 25988, 28616, 32704, 34888, 39872, 45479, 51976, 57232, 65408, 69776, 79744, 90958, 103952, 114464, 130816, 139552, 159488, 181916, 207904, 228928, 279104, 318353, 363832, 415808, 457856, 558208, 636706, 727664, 831616, 915712, 1116416, 1273412, 1455328, 1663232, 2546824, 2910656, 5093648, 5821312, 10187296, 11642624, 20374592, 40749184, 81498368]

約数ペア:

[(1, 81498368), (2, 40749184), (4, 20374592), (7, 11642624), (8, 10187296), (14, 5821312), (16, 5093648), (28, 2910656), (32, 2546824), (49, 1663232), (56, 1455328), (64, 1273412), (73, 1116416), (89, 915712), (98, 831616), (112, 727664), (128, 636706), (146, 558208), (178, 457856), (196, 415808), (224, 363832), (256, 318353), (292, 279104), (356, 228928), (392, 207904), (448, 181916), (511, 159488), (584, 139552), (623, 130816), (712, 114464), (784, 103952), (896, 90958), (1022, 79744), (1168, 69776), (1246, 65408), (1424, 57232), (1568, 51976), (1792, 45479), (2044, 39872), (2336, 34888), (2492, 32704), (2848, 28616), (3136, 25988), (3577, 22784), (4088, 19936), (4361, 18688), (4672, 17444), (4984, 16352), (5696, 14308), (6272, 12994), (6497, 12544), (7154, 11392), (8176, 9968), (8722, 9344)]