28616588

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1021}}^1$

素因数の和:1063

約数の個数: 72

約数和(自身を含む): 68506704

約数和(自身を除く): 39890116

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 143, 154, 182, 196, 286, 308, 364, 539, 572, 637, 1001, 1021, 1078, 1274, 2002, 2042, 2156, 2548, 4004, 4084, 7007, 7147, 11231, 13273, 14014, 14294, 22462, 26546, 28028, 28588, 44924, 50029, 53092, 78617, 92911, 100058, 146003, 157234, 185822, 200116, 292006, 314468, 371644, 550319, 584012, 650377, 1022021, 1100638, 1300754, 2044042, 2201276, 2601508, 4088084, 7154147, 14308294, 28616588]

約数ペア:

[(1, 28616588), (2, 14308294), (4, 7154147), (7, 4088084), (11, 2601508), (13, 2201276), (14, 2044042), (22, 1300754), (26, 1100638), (28, 1022021), (44, 650377), (49, 584012), (52, 550319), (77, 371644), (91, 314468), (98, 292006), (143, 200116), (154, 185822), (182, 157234), (196, 146003), (286, 100058), (308, 92911), (364, 78617), (539, 53092), (572, 50029), (637, 44924), (1001, 28588), (1021, 28028), (1078, 26546), (1274, 22462), (2002, 14294), (2042, 14014), (2156, 13273), (2548, 11231), (4004, 7147), (4084, 7007)]