28271256

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:169

約数の個数: 128

約数和(自身を含む): 81715200

約数和(自身を除く): 53443944

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 37, 39, 52, 62, 74, 78, 79, 93, 104, 111, 124, 148, 156, 158, 186, 222, 237, 248, 296, 312, 316, 372, 403, 444, 474, 481, 632, 744, 806, 888, 948, 962, 1027, 1147, 1209, 1443, 1612, 1896, 1924, 2054, 2294, 2418, 2449, 2886, 2923, 3081, 3224, 3441, 3848, 4108, 4588, 4836, 4898, 5772, 5846, 6162, 6882, 7347, 8216, 8769, 9176, 9672, 9796, 11544, 11692, 12324, 13764, 14694, 14911, 17538, 19592, 23384, 24648, 27528, 29388, 29822, 31837, 35076, 37999, 44733, 58776, 59644, 63674, 70152, 75998, 89466, 90613, 95511, 113997, 119288, 127348, 151996, 178932, 181226, 191022, 227994, 254696, 271839, 303992, 357864, 362452, 382044, 455988, 543678, 724904, 764088, 911976, 1087356, 1177969, 2174712, 2355938, 3533907, 4711876, 7067814, 9423752, 14135628, 28271256]

約数ペア:

[(1, 28271256), (2, 14135628), (3, 9423752), (4, 7067814), (6, 4711876), (8, 3533907), (12, 2355938), (13, 2174712), (24, 1177969), (26, 1087356), (31, 911976), (37, 764088), (39, 724904), (52, 543678), (62, 455988), (74, 382044), (78, 362452), (79, 357864), (93, 303992), (104, 271839), (111, 254696), (124, 227994), (148, 191022), (156, 181226), (158, 178932), (186, 151996), (222, 127348), (237, 119288), (248, 113997), (296, 95511), (312, 90613), (316, 89466), (372, 75998), (403, 70152), (444, 63674), (474, 59644), (481, 58776), (632, 44733), (744, 37999), (806, 35076), (888, 31837), (948, 29822), (962, 29388), (1027, 27528), (1147, 24648), (1209, 23384), (1443, 19592), (1612, 17538), (1896, 14911), (1924, 14694), (2054, 13764), (2294, 12324), (2418, 11692), (2449, 11544), (2886, 9796), (2923, 9672), (3081, 9176), (3224, 8769), (3441, 8216), (3848, 7347), (4108, 6882), (4588, 6162), (4836, 5846), (4898, 5772)]