28185872

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:256

約数の個数: 80

約数和(自身を含む): 65329152

約数和(自身を除く): 37143280

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 97, 104, 127, 143, 176, 194, 208, 254, 286, 388, 508, 572, 776, 1016, 1067, 1144, 1261, 1397, 1552, 1651, 2032, 2134, 2288, 2522, 2794, 3302, 4268, 5044, 5588, 6604, 8536, 10088, 11176, 12319, 13208, 13871, 17072, 18161, 20176, 22352, 24638, 26416, 27742, 36322, 49276, 55484, 72644, 98552, 110968, 135509, 145288, 160147, 197104, 221936, 271018, 290576, 320294, 542036, 640588, 1084072, 1281176, 1761617, 2168144, 2562352, 3523234, 7046468, 14092936, 28185872]

約数ペア:

[(1, 28185872), (2, 14092936), (4, 7046468), (8, 3523234), (11, 2562352), (13, 2168144), (16, 1761617), (22, 1281176), (26, 1084072), (44, 640588), (52, 542036), (88, 320294), (97, 290576), (104, 271018), (127, 221936), (143, 197104), (176, 160147), (194, 145288), (208, 135509), (254, 110968), (286, 98552), (388, 72644), (508, 55484), (572, 49276), (776, 36322), (1016, 27742), (1067, 26416), (1144, 24638), (1261, 22352), (1397, 20176), (1552, 18161), (1651, 17072), (2032, 13871), (2134, 13208), (2288, 12319), (2522, 11176), (2794, 10088), (3302, 8536), (4268, 6604), (5044, 5588)]