257586413487

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{28513}}^1\times {\mathrm{5387}}^1$

素因数の和:33959

約数の個数: 32

約数和(自身を含む): 378552776448

約数和(自身を除く): 120966362961

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 5387, 16161, 28513, 70031, 85539, 210093, 231641, 370669, 694923, 1112007, 1226059, 3011333, 3678177, 9033999, 15938767, 47816301, 153599531, 460798593, 1996793903, 5990381709, 6604779833, 19814339499, 85862137829, 257586413487]

約数ペア:

[(1, 257586413487), (3, 85862137829), (13, 19814339499), (39, 6604779833), (43, 5990381709), (129, 1996793903), (559, 460798593), (1677, 153599531), (5387, 47816301), (16161, 15938767), (28513, 9033999), (70031, 3678177), (85539, 3011333), (210093, 1226059), (231641, 1112007), (370669, 694923)]