636996928

素因数分解:

$2^6\times {\mathrm{31}}^2\times {\mathrm{10357}}^1$

素因数の和:10431

約数の個数: 42

約数和(自身を含む): 1306257738

約数和(自身を除く): 669260810

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 961, 992, 1922, 1984, 3844, 7688, 10357, 15376, 20714, 30752, 41428, 61504, 82856, 165712, 321067, 331424, 642134, 662848, 1284268, 2568536, 5137072, 9953077, 10274144, 19906154, 20548288, 39812308, 79624616, 159249232, 318498464, 636996928]

約数ペア:

[(1, 636996928), (2, 318498464), (4, 159249232), (8, 79624616), (16, 39812308), (31, 20548288), (32, 19906154), (62, 10274144), (64, 9953077), (124, 5137072), (248, 2568536), (496, 1284268), (961, 662848), (992, 642134), (1922, 331424), (1984, 321067), (3844, 165712), (7688, 82856), (10357, 61504), (15376, 41428), (20714, 30752)]