213235456

素因数分解:

$2^8\times 7^2\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:310

約数の個数: 108

約数和(自身を含む): 503314560

約数和(自身を除く): 290079104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 89, 98, 112, 128, 178, 191, 196, 224, 256, 356, 382, 392, 448, 623, 712, 764, 784, 896, 1246, 1337, 1424, 1528, 1568, 1792, 2492, 2674, 2848, 3056, 3136, 4361, 4984, 5348, 5696, 6112, 6272, 8722, 9359, 9968, 10696, 11392, 12224, 12544, 16999, 17444, 18718, 19936, 21392, 22784, 24448, 33998, 34888, 37436, 39872, 42784, 48896, 67996, 69776, 74872, 79744, 85568, 118993, 135992, 139552, 149744, 159488, 171136, 237986, 271984, 279104, 299488, 342272, 475972, 543968, 558208, 598976, 832951, 951944, 1087936, 1116416, 1197952, 1665902, 1903888, 2175872, 2395904, 3331804, 3807776, 4351744, 6663608, 7615552, 13327216, 15231104, 26654432, 30462208, 53308864, 106617728, 213235456]

約数ペア:

[(1, 213235456), (2, 106617728), (4, 53308864), (7, 30462208), (8, 26654432), (14, 15231104), (16, 13327216), (28, 7615552), (32, 6663608), (49, 4351744), (56, 3807776), (64, 3331804), (89, 2395904), (98, 2175872), (112, 1903888), (128, 1665902), (178, 1197952), (191, 1116416), (196, 1087936), (224, 951944), (256, 832951), (356, 598976), (382, 558208), (392, 543968), (448, 475972), (623, 342272), (712, 299488), (764, 279104), (784, 271984), (896, 237986), (1246, 171136), (1337, 159488), (1424, 149744), (1528, 139552), (1568, 135992), (1792, 118993), (2492, 85568), (2674, 79744), (2848, 74872), (3056, 69776), (3136, 67996), (4361, 48896), (4984, 42784), (5348, 39872), (5696, 37436), (6112, 34888), (6272, 33998), (8722, 24448), (9359, 22784), (9968, 21392), (10696, 19936), (11392, 18718), (12224, 17444), (12544, 16999)]