28126384

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:698

約数の個数: 80

約数和(自身を含む): 67495680

約数和(自身を除く): 39369296

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 176, 208, 209, 247, 286, 304, 418, 494, 572, 647, 836, 988, 1144, 1294, 1672, 1976, 2288, 2588, 2717, 3344, 3952, 5176, 5434, 7117, 8411, 10352, 10868, 12293, 14234, 16822, 21736, 24586, 28468, 33644, 43472, 49172, 56936, 67288, 92521, 98344, 113872, 134576, 135223, 159809, 185042, 196688, 270446, 319618, 370084, 540892, 639236, 740168, 1081784, 1278472, 1480336, 1757899, 2163568, 2556944, 3515798, 7031596, 14063192, 28126384]

約数ペア:

[(1, 28126384), (2, 14063192), (4, 7031596), (8, 3515798), (11, 2556944), (13, 2163568), (16, 1757899), (19, 1480336), (22, 1278472), (26, 1081784), (38, 740168), (44, 639236), (52, 540892), (76, 370084), (88, 319618), (104, 270446), (143, 196688), (152, 185042), (176, 159809), (208, 135223), (209, 134576), (247, 113872), (286, 98344), (304, 92521), (418, 67288), (494, 56936), (572, 49172), (647, 43472), (836, 33644), (988, 28468), (1144, 24586), (1294, 21736), (1672, 16822), (1976, 14234), (2288, 12293), (2588, 10868), (2717, 10352), (3344, 8411), (3952, 7117), (5176, 5434)]