215577856

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{307}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 467127584

約数和(自身を除く): 251549728

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 211, 256, 307, 416, 422, 614, 832, 844, 1228, 1664, 1688, 2456, 2743, 3328, 3376, 3991, 4912, 5486, 6752, 7982, 9824, 10972, 13504, 15964, 19648, 21944, 27008, 31928, 39296, 43888, 54016, 63856, 64777, 78592, 87776, 127712, 129554, 175552, 255424, 259108, 351104, 510848, 518216, 702208, 842101, 1021696, 1036432, 1684202, 2072864, 3368404, 4145728, 6736808, 8291456, 13473616, 16582912, 26947232, 53894464, 107788928, 215577856]

約数ペア:

[(1, 215577856), (2, 107788928), (4, 53894464), (8, 26947232), (13, 16582912), (16, 13473616), (26, 8291456), (32, 6736808), (52, 4145728), (64, 3368404), (104, 2072864), (128, 1684202), (208, 1036432), (211, 1021696), (256, 842101), (307, 702208), (416, 518216), (422, 510848), (614, 351104), (832, 259108), (844, 255424), (1228, 175552), (1664, 129554), (1688, 127712), (2456, 87776), (2743, 78592), (3328, 64777), (3376, 63856), (3991, 54016), (4912, 43888), (5486, 39296), (6752, 31928), (7982, 27008), (9824, 21944), (10972, 19648), (13504, 15964)]