28560896

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:651

約数の個数: 80

約数和(自身を含む): 70349664

約数和(自身を除く): 41788768

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 512, 613, 728, 832, 896, 1226, 1456, 1664, 1792, 2452, 2912, 3328, 3584, 4291, 4904, 5824, 6656, 7969, 8582, 9808, 11648, 15938, 17164, 19616, 23296, 31876, 34328, 39232, 46592, 55783, 63752, 68656, 78464, 111566, 127504, 137312, 156928, 223132, 255008, 274624, 313856, 446264, 510016, 549248, 892528, 1020032, 1098496, 1785056, 2040064, 2196992, 3570112, 4080128, 7140224, 14280448, 28560896]

約数ペア:

[(1, 28560896), (2, 14280448), (4, 7140224), (7, 4080128), (8, 3570112), (13, 2196992), (14, 2040064), (16, 1785056), (26, 1098496), (28, 1020032), (32, 892528), (52, 549248), (56, 510016), (64, 446264), (91, 313856), (104, 274624), (112, 255008), (128, 223132), (182, 156928), (208, 137312), (224, 127504), (256, 111566), (364, 78464), (416, 68656), (448, 63752), (512, 55783), (613, 46592), (728, 39232), (832, 34328), (896, 31876), (1226, 23296), (1456, 19616), (1664, 17164), (1792, 15938), (2452, 11648), (2912, 9808), (3328, 8582), (3584, 7969), (4291, 6656), (4904, 5824)]