31672576

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 70509824

約数和(自身を除く): 38837248

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 307, 403, 416, 496, 614, 806, 832, 992, 1228, 1612, 1664, 1984, 2456, 3224, 3328, 3968, 3991, 4912, 6448, 7936, 7982, 9517, 9824, 12896, 15964, 19034, 19648, 25792, 31928, 38068, 39296, 51584, 63856, 76136, 78592, 103168, 123721, 127712, 152272, 247442, 255424, 304544, 494884, 510848, 609088, 989768, 1021696, 1218176, 1979536, 2436352, 3959072, 7918144, 15836288, 31672576]

約数ペア:

[(1, 31672576), (2, 15836288), (4, 7918144), (8, 3959072), (13, 2436352), (16, 1979536), (26, 1218176), (31, 1021696), (32, 989768), (52, 609088), (62, 510848), (64, 494884), (104, 304544), (124, 255424), (128, 247442), (208, 152272), (248, 127712), (256, 123721), (307, 103168), (403, 78592), (416, 76136), (496, 63856), (614, 51584), (806, 39296), (832, 38068), (992, 31928), (1228, 25792), (1612, 19648), (1664, 19034), (1984, 15964), (2456, 12896), (3224, 9824), (3328, 9517), (3968, 7982), (3991, 7936), (4912, 6448)]