28688814

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2957}}^1$

素因数の和:2990

約数の個数: 72

約数和(自身を含む): 78907608

約数和(自身を除く): 50218794

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 49, 63, 66, 77, 98, 99, 126, 147, 154, 198, 231, 294, 441, 462, 539, 693, 882, 1078, 1386, 1617, 2957, 3234, 4851, 5914, 8871, 9702, 17742, 20699, 26613, 32527, 41398, 53226, 62097, 65054, 97581, 124194, 144893, 186291, 195162, 227689, 289786, 292743, 372582, 434679, 455378, 585486, 683067, 869358, 1304037, 1366134, 1593823, 2049201, 2608074, 3187646, 4098402, 4781469, 9562938, 14344407, 28688814]

約数ペア:

[(1, 28688814), (2, 14344407), (3, 9562938), (6, 4781469), (7, 4098402), (9, 3187646), (11, 2608074), (14, 2049201), (18, 1593823), (21, 1366134), (22, 1304037), (33, 869358), (42, 683067), (49, 585486), (63, 455378), (66, 434679), (77, 372582), (98, 292743), (99, 289786), (126, 227689), (147, 195162), (154, 186291), (198, 144893), (231, 124194), (294, 97581), (441, 65054), (462, 62097), (539, 53226), (693, 41398), (882, 32527), (1078, 26613), (1386, 20699), (1617, 17742), (2957, 9702), (3234, 8871), (4851, 5914)]