28166892

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:112

約数の個数: 144

約数和(自身を含む): 81164160

約数和(自身を除く): 52997268

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 19, 26, 34, 38, 39, 43, 51, 52, 57, 68, 76, 78, 86, 102, 114, 129, 156, 169, 172, 204, 221, 228, 247, 258, 323, 338, 442, 494, 507, 516, 559, 646, 663, 676, 731, 741, 817, 884, 969, 988, 1014, 1118, 1292, 1326, 1462, 1482, 1634, 1677, 1938, 2028, 2193, 2236, 2451, 2652, 2873, 2924, 2964, 3211, 3268, 3354, 3876, 4199, 4386, 4902, 5746, 6422, 6708, 7267, 8398, 8619, 8772, 9503, 9633, 9804, 10621, 11492, 12597, 12844, 13889, 14534, 16796, 17238, 19006, 19266, 21242, 21801, 25194, 27778, 28509, 29068, 31863, 34476, 38012, 38532, 41667, 42484, 43602, 50388, 54587, 55556, 57018, 63726, 83334, 87204, 109174, 114036, 123539, 127452, 138073, 163761, 166668, 180557, 218348, 247078, 276146, 327522, 361114, 370617, 414219, 494156, 541671, 552292, 655044, 722228, 741234, 828438, 1083342, 1482468, 1656876, 2166684, 2347241, 4694482, 7041723, 9388964, 14083446, 28166892]

約数ペア:

[(1, 28166892), (2, 14083446), (3, 9388964), (4, 7041723), (6, 4694482), (12, 2347241), (13, 2166684), (17, 1656876), (19, 1482468), (26, 1083342), (34, 828438), (38, 741234), (39, 722228), (43, 655044), (51, 552292), (52, 541671), (57, 494156), (68, 414219), (76, 370617), (78, 361114), (86, 327522), (102, 276146), (114, 247078), (129, 218348), (156, 180557), (169, 166668), (172, 163761), (204, 138073), (221, 127452), (228, 123539), (247, 114036), (258, 109174), (323, 87204), (338, 83334), (442, 63726), (494, 57018), (507, 55556), (516, 54587), (559, 50388), (646, 43602), (663, 42484), (676, 41667), (731, 38532), (741, 38012), (817, 34476), (884, 31863), (969, 29068), (988, 28509), (1014, 27778), (1118, 25194), (1292, 21801), (1326, 21242), (1462, 19266), (1482, 19006), (1634, 17238), (1677, 16796), (1938, 14534), (2028, 13889), (2193, 12844), (2236, 12597), (2451, 11492), (2652, 10621), (2873, 9804), (2924, 9633), (2964, 9503), (3211, 8772), (3268, 8619), (3354, 8398), (3876, 7267), (4199, 6708), (4386, 6422), (4902, 5746)]