2167984

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1489}}^1$

素因数の和:1517

約数の個数: 40

約数和(自身を含む): 5173280

約数和(自身を除く): 3005296

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 1489, 2978, 5956, 10423, 11912, 19357, 20846, 23824, 38714, 41692, 77428, 83384, 135499, 154856, 166768, 270998, 309712, 541996, 1083992, 2167984]

約数ペア:

[(1, 2167984), (2, 1083992), (4, 541996), (7, 309712), (8, 270998), (13, 166768), (14, 154856), (16, 135499), (26, 83384), (28, 77428), (52, 41692), (56, 38714), (91, 23824), (104, 20846), (112, 19357), (182, 11912), (208, 10423), (364, 5956), (728, 2978), (1456, 1489)]