28487992

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1109}}^1$

素因数の和:1160

約数の個数: 48

約数和(自身を含む): 60939000

約数和(自身を除く): 32451008

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 169, 247, 338, 494, 676, 988, 1109, 1352, 1976, 2218, 3211, 4436, 6422, 8872, 12844, 14417, 21071, 25688, 28834, 42142, 57668, 84284, 115336, 168568, 187421, 273923, 374842, 547846, 749684, 1095692, 1499368, 2191384, 3560999, 7121998, 14243996, 28487992]

約数ペア:

[(1, 28487992), (2, 14243996), (4, 7121998), (8, 3560999), (13, 2191384), (19, 1499368), (26, 1095692), (38, 749684), (52, 547846), (76, 374842), (104, 273923), (152, 187421), (169, 168568), (247, 115336), (338, 84284), (494, 57668), (676, 42142), (988, 28834), (1109, 25688), (1352, 21071), (1976, 14417), (2218, 12844), (3211, 8872), (4436, 6422)]