257742

素因数分解:

$2^1\times 3^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:94

約数の個数: 40

約数和(自身を含む): 606936

約数和(自身を除く): 349194

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 43, 54, 74, 81, 86, 111, 129, 162, 222, 258, 333, 387, 666, 774, 999, 1161, 1591, 1998, 2322, 2997, 3182, 3483, 4773, 5994, 6966, 9546, 14319, 28638, 42957, 85914, 128871, 257742]

約数ペア:

[(1, 257742), (2, 128871), (3, 85914), (6, 42957), (9, 28638), (18, 14319), (27, 9546), (37, 6966), (43, 5994), (54, 4773), (74, 3483), (81, 3182), (86, 2997), (111, 2322), (129, 1998), (162, 1591), (222, 1161), (258, 999), (333, 774), (387, 666)]