28003872

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1181}}^1$

素因数の和:1226

約数の個数: 96

約数和(自身を含む): 83401920

約数和(自身を除く): 55398048

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 57, 76, 78, 96, 104, 114, 152, 156, 208, 228, 247, 304, 312, 416, 456, 494, 608, 624, 741, 912, 988, 1181, 1248, 1482, 1824, 1976, 2362, 2964, 3543, 3952, 4724, 5928, 7086, 7904, 9448, 11856, 14172, 15353, 18896, 22439, 23712, 28344, 30706, 37792, 44878, 46059, 56688, 61412, 67317, 89756, 92118, 113376, 122824, 134634, 179512, 184236, 245648, 269268, 291707, 359024, 368472, 491296, 538536, 583414, 718048, 736944, 875121, 1077072, 1166828, 1473888, 1750242, 2154144, 2333656, 3500484, 4667312, 7000968, 9334624, 14001936, 28003872]

約数ペア:

[(1, 28003872), (2, 14001936), (3, 9334624), (4, 7000968), (6, 4667312), (8, 3500484), (12, 2333656), (13, 2154144), (16, 1750242), (19, 1473888), (24, 1166828), (26, 1077072), (32, 875121), (38, 736944), (39, 718048), (48, 583414), (52, 538536), (57, 491296), (76, 368472), (78, 359024), (96, 291707), (104, 269268), (114, 245648), (152, 184236), (156, 179512), (208, 134634), (228, 122824), (247, 113376), (304, 92118), (312, 89756), (416, 67317), (456, 61412), (494, 56688), (608, 46059), (624, 44878), (741, 37792), (912, 30706), (988, 28344), (1181, 23712), (1248, 22439), (1482, 18896), (1824, 15353), (1976, 14172), (2362, 11856), (2964, 9448), (3543, 7904), (3952, 7086), (4724, 5928)]