813195284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1\times {\mathrm{431}}^1$

素因数の和:896

約数の個数: 48

約数和(自身を含む): 1572431616

約数和(自身を除く): 759236332

約数列:

[1, 2, 4, 11, 22, 44, 137, 274, 313, 431, 548, 626, 862, 1252, 1507, 1724, 3014, 3443, 4741, 6028, 6886, 9482, 13772, 18964, 42881, 59047, 85762, 118094, 134903, 171524, 236188, 269806, 471691, 539612, 649517, 943382, 1299034, 1483933, 1886764, 2598068, 2967866, 5935732, 18481711, 36963422, 73926844, 203298821, 406597642, 813195284]

約数ペア:

[(1, 813195284), (2, 406597642), (4, 203298821), (11, 73926844), (22, 36963422), (44, 18481711), (137, 5935732), (274, 2967866), (313, 2598068), (431, 1886764), (548, 1483933), (626, 1299034), (862, 943382), (1252, 649517), (1507, 539612), (1724, 471691), (3014, 269806), (3443, 236188), (4741, 171524), (6028, 134903), (6886, 118094), (9482, 85762), (13772, 59047), (18964, 42881)]