28687728

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:634

約数の個数: 80

約数和(自身を含む): 78878880

約数和(自身を除く): 50191152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 37, 48, 58, 74, 87, 111, 116, 148, 174, 222, 232, 296, 348, 444, 464, 557, 592, 696, 888, 1073, 1114, 1392, 1671, 1776, 2146, 2228, 3219, 3342, 4292, 4456, 6438, 6684, 8584, 8912, 12876, 13368, 16153, 17168, 20609, 25752, 26736, 32306, 41218, 48459, 51504, 61827, 64612, 82436, 96918, 123654, 129224, 164872, 193836, 247308, 258448, 329744, 387672, 494616, 597661, 775344, 989232, 1195322, 1792983, 2390644, 3585966, 4781288, 7171932, 9562576, 14343864, 28687728]

約数ペア:

[(1, 28687728), (2, 14343864), (3, 9562576), (4, 7171932), (6, 4781288), (8, 3585966), (12, 2390644), (16, 1792983), (24, 1195322), (29, 989232), (37, 775344), (48, 597661), (58, 494616), (74, 387672), (87, 329744), (111, 258448), (116, 247308), (148, 193836), (174, 164872), (222, 129224), (232, 123654), (296, 96918), (348, 82436), (444, 64612), (464, 61827), (557, 51504), (592, 48459), (696, 41218), (888, 32306), (1073, 26736), (1114, 25752), (1392, 20609), (1671, 17168), (1776, 16153), (2146, 13368), (2228, 12876), (3219, 8912), (3342, 8584), (4292, 6684), (4456, 6438)]