12687376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{337}}^1$

素因数の和:539

約数の個数: 40

約数和(自身を含む): 26697944

約数和(自身を除く): 14010568

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 181, 208, 337, 362, 674, 724, 1348, 1448, 2353, 2696, 2896, 4381, 4706, 5392, 8762, 9412, 17524, 18824, 35048, 37648, 60997, 70096, 121994, 243988, 487976, 792961, 975952, 1585922, 3171844, 6343688, 12687376]

約数ペア:

[(1, 12687376), (2, 6343688), (4, 3171844), (8, 1585922), (13, 975952), (16, 792961), (26, 487976), (52, 243988), (104, 121994), (181, 70096), (208, 60997), (337, 37648), (362, 35048), (674, 18824), (724, 17524), (1348, 9412), (1448, 8762), (2353, 5392), (2696, 4706), (2896, 4381)]