87865856

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:381

約数の個数: 80

約数和(自身を含む): 194091744

約数和(自身を除く): 106225888

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 128, 172, 208, 256, 307, 344, 416, 512, 559, 614, 688, 832, 1118, 1228, 1376, 1664, 2236, 2456, 2752, 3328, 3991, 4472, 4912, 5504, 6656, 7982, 8944, 9824, 11008, 13201, 15964, 17888, 19648, 22016, 26402, 31928, 35776, 39296, 52804, 63856, 71552, 78592, 105608, 127712, 143104, 157184, 171613, 211216, 255424, 286208, 343226, 422432, 510848, 686452, 844864, 1021696, 1372904, 1689728, 2043392, 2745808, 3379456, 5491616, 6758912, 10983232, 21966464, 43932928, 87865856]

約数ペア:

[(1, 87865856), (2, 43932928), (4, 21966464), (8, 10983232), (13, 6758912), (16, 5491616), (26, 3379456), (32, 2745808), (43, 2043392), (52, 1689728), (64, 1372904), (86, 1021696), (104, 844864), (128, 686452), (172, 510848), (208, 422432), (256, 343226), (307, 286208), (344, 255424), (416, 211216), (512, 171613), (559, 157184), (614, 143104), (688, 127712), (832, 105608), (1118, 78592), (1228, 71552), (1376, 63856), (1664, 52804), (2236, 39296), (2456, 35776), (2752, 31928), (3328, 26402), (3991, 22016), (4472, 19648), (4912, 17888), (5504, 15964), (6656, 13201), (7982, 11008), (8944, 9824)]