15851968

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:146

約数の個数: 84

約数和(自身を含む): 36484560

約数和(自身を除く): 20632592

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 64, 88, 89, 92, 121, 176, 178, 184, 242, 253, 352, 356, 368, 484, 506, 704, 712, 736, 968, 979, 1012, 1424, 1472, 1936, 1958, 2024, 2047, 2783, 2848, 3872, 3916, 4048, 4094, 5566, 5696, 7744, 7832, 8096, 8188, 10769, 11132, 15664, 16192, 16376, 21538, 22264, 22517, 31328, 32752, 43076, 44528, 45034, 62656, 65504, 86152, 89056, 90068, 131008, 172304, 178112, 180136, 247687, 344608, 360272, 495374, 689216, 720544, 990748, 1441088, 1981496, 3962992, 7925984, 15851968]

約数ペア:

[(1, 15851968), (2, 7925984), (4, 3962992), (8, 1981496), (11, 1441088), (16, 990748), (22, 720544), (23, 689216), (32, 495374), (44, 360272), (46, 344608), (64, 247687), (88, 180136), (89, 178112), (92, 172304), (121, 131008), (176, 90068), (178, 89056), (184, 86152), (242, 65504), (253, 62656), (352, 45034), (356, 44528), (368, 43076), (484, 32752), (506, 31328), (704, 22517), (712, 22264), (736, 21538), (968, 16376), (979, 16192), (1012, 15664), (1424, 11132), (1472, 10769), (1936, 8188), (1958, 8096), (2024, 7832), (2047, 7744), (2783, 5696), (2848, 5566), (3872, 4094), (3916, 4048)]