56785456

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{907}}^1$

素因数の和:978

約数の個数: 80

約数和(自身を含む): 138713344

約数和(自身を除く): 81927888

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 43, 52, 56, 86, 91, 104, 112, 172, 182, 208, 301, 344, 364, 559, 602, 688, 728, 907, 1118, 1204, 1456, 1814, 2236, 2408, 3628, 3913, 4472, 4816, 6349, 7256, 7826, 8944, 11791, 12698, 14512, 15652, 23582, 25396, 31304, 39001, 47164, 50792, 62608, 78002, 82537, 94328, 101584, 156004, 165074, 188656, 273007, 312008, 330148, 507013, 546014, 624016, 660296, 1014026, 1092028, 1320592, 2028052, 2184056, 3549091, 4056104, 4368112, 7098182, 8112208, 14196364, 28392728, 56785456]

約数ペア:

[(1, 56785456), (2, 28392728), (4, 14196364), (7, 8112208), (8, 7098182), (13, 4368112), (14, 4056104), (16, 3549091), (26, 2184056), (28, 2028052), (43, 1320592), (52, 1092028), (56, 1014026), (86, 660296), (91, 624016), (104, 546014), (112, 507013), (172, 330148), (182, 312008), (208, 273007), (301, 188656), (344, 165074), (364, 156004), (559, 101584), (602, 94328), (688, 82537), (728, 78002), (907, 62608), (1118, 50792), (1204, 47164), (1456, 39001), (1814, 31304), (2236, 25396), (2408, 23582), (3628, 15652), (3913, 14512), (4472, 12698), (4816, 11791), (6349, 8944), (7256, 7826)]