28140112

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:297

約数の個数: 120

約数和(自身を含む): 74807712

約数和(自身を除く): 46667600

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 49, 52, 56, 77, 88, 91, 98, 104, 112, 143, 154, 176, 182, 196, 208, 251, 286, 308, 364, 392, 502, 539, 572, 616, 637, 728, 784, 1001, 1004, 1078, 1144, 1232, 1274, 1456, 1757, 2002, 2008, 2156, 2288, 2548, 2761, 3263, 3514, 4004, 4016, 4312, 5096, 5522, 6526, 7007, 7028, 8008, 8624, 10192, 11044, 12299, 13052, 14014, 14056, 16016, 19327, 22088, 22841, 24598, 26104, 28028, 28112, 35893, 38654, 44176, 45682, 49196, 52208, 56056, 71786, 77308, 91364, 98392, 112112, 135289, 143572, 154616, 159887, 182728, 196784, 251251, 270578, 287144, 309232, 319774, 365456, 502502, 541156, 574288, 639548, 1005004, 1082312, 1279096, 1758757, 2010008, 2164624, 2558192, 3517514, 4020016, 7035028, 14070056, 28140112]

約数ペア:

[(1, 28140112), (2, 14070056), (4, 7035028), (7, 4020016), (8, 3517514), (11, 2558192), (13, 2164624), (14, 2010008), (16, 1758757), (22, 1279096), (26, 1082312), (28, 1005004), (44, 639548), (49, 574288), (52, 541156), (56, 502502), (77, 365456), (88, 319774), (91, 309232), (98, 287144), (104, 270578), (112, 251251), (143, 196784), (154, 182728), (176, 159887), (182, 154616), (196, 143572), (208, 135289), (251, 112112), (286, 98392), (308, 91364), (364, 77308), (392, 71786), (502, 56056), (539, 52208), (572, 49196), (616, 45682), (637, 44176), (728, 38654), (784, 35893), (1001, 28112), (1004, 28028), (1078, 26104), (1144, 24598), (1232, 22841), (1274, 22088), (1456, 19327), (1757, 16016), (2002, 14056), (2008, 14014), (2156, 13052), (2288, 12299), (2548, 11044), (2761, 10192), (3263, 8624), (3514, 8008), (4004, 7028), (4016, 7007), (4312, 6526), (5096, 5522)]