639207744

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{67943}}^1$

素因数の和:67972

約数の個数: 84

約数和(自身を含む): 1967386464

約数和(自身を除く): 1328178720

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 147, 168, 192, 196, 224, 294, 336, 392, 448, 588, 672, 784, 1176, 1344, 1568, 2352, 3136, 4704, 9408, 67943, 135886, 203829, 271772, 407658, 475601, 543544, 815316, 951202, 1087088, 1426803, 1630632, 1902404, 2174176, 2853606, 3261264, 3329207, 3804808, 4348352, 5707212, 6522528, 6658414, 7609616, 9987621, 11414424, 13045056, 13316828, 15219232, 19975242, 22828848, 26633656, 30438464, 39950484, 45657696, 53267312, 79900968, 91315392, 106534624, 159801936, 213069248, 319603872, 639207744]

約数ペア:

[(1, 639207744), (2, 319603872), (3, 213069248), (4, 159801936), (6, 106534624), (7, 91315392), (8, 79900968), (12, 53267312), (14, 45657696), (16, 39950484), (21, 30438464), (24, 26633656), (28, 22828848), (32, 19975242), (42, 15219232), (48, 13316828), (49, 13045056), (56, 11414424), (64, 9987621), (84, 7609616), (96, 6658414), (98, 6522528), (112, 5707212), (147, 4348352), (168, 3804808), (192, 3329207), (196, 3261264), (224, 2853606), (294, 2174176), (336, 1902404), (392, 1630632), (448, 1426803), (588, 1087088), (672, 951202), (784, 815316), (1176, 543544), (1344, 475601), (1568, 407658), (2352, 271772), (3136, 203829), (4704, 135886), (9408, 67943)]