81071208

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{15859}}^1$

素因数の和:15942

約数の個数: 48

約数和(自身を含む): 222674400

約数和(自身を除く): 141603192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 5112, 15859, 31718, 47577, 63436, 95154, 126872, 142731, 190308, 285462, 380616, 570924, 1125989, 1141848, 2251978, 3377967, 4503956, 6755934, 9007912, 10133901, 13511868, 20267802, 27023736, 40535604, 81071208]

約数ペア:

[(1, 81071208), (2, 40535604), (3, 27023736), (4, 20267802), (6, 13511868), (8, 10133901), (9, 9007912), (12, 6755934), (18, 4503956), (24, 3377967), (36, 2251978), (71, 1141848), (72, 1125989), (142, 570924), (213, 380616), (284, 285462), (426, 190308), (568, 142731), (639, 126872), (852, 95154), (1278, 63436), (1704, 47577), (2556, 31718), (5112, 15859)]