256331312

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{1907}}^1$

素因数の和:2217

約数の個数: 40

約数和(自身を含む): 514824192

約数和(自身を除く): 258492880

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 271, 496, 542, 1084, 1907, 2168, 3814, 4336, 7628, 8401, 15256, 16802, 30512, 33604, 59117, 67208, 118234, 134416, 236468, 472936, 516797, 945872, 1033594, 2067188, 4134376, 8268752, 16020707, 32041414, 64082828, 128165656, 256331312]

約数ペア:

[(1, 256331312), (2, 128165656), (4, 64082828), (8, 32041414), (16, 16020707), (31, 8268752), (62, 4134376), (124, 2067188), (248, 1033594), (271, 945872), (496, 516797), (542, 472936), (1084, 236468), (1907, 134416), (2168, 118234), (3814, 67208), (4336, 59117), (7628, 33604), (8401, 30512), (15256, 16802)]