81572608

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 177648128

約数和(自身を除く): 96075520

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 127, 128, 193, 208, 254, 256, 386, 416, 508, 772, 832, 1016, 1544, 1651, 1664, 2032, 2509, 3088, 3302, 3328, 4064, 5018, 6176, 6604, 8128, 10036, 12352, 13208, 16256, 20072, 24511, 24704, 26416, 32512, 40144, 49022, 49408, 52832, 80288, 98044, 105664, 160576, 196088, 211328, 318643, 321152, 392176, 422656, 637286, 642304, 784352, 1274572, 1568704, 2549144, 3137408, 5098288, 6274816, 10196576, 20393152, 40786304, 81572608]

約数ペア:

[(1, 81572608), (2, 40786304), (4, 20393152), (8, 10196576), (13, 6274816), (16, 5098288), (26, 3137408), (32, 2549144), (52, 1568704), (64, 1274572), (104, 784352), (127, 642304), (128, 637286), (193, 422656), (208, 392176), (254, 321152), (256, 318643), (386, 211328), (416, 196088), (508, 160576), (772, 105664), (832, 98044), (1016, 80288), (1544, 52832), (1651, 49408), (1664, 49022), (2032, 40144), (2509, 32512), (3088, 26416), (3302, 24704), (3328, 24511), (4064, 20072), (5018, 16256), (6176, 13208), (6604, 12352), (8128, 10036)]