2557554

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 5474304

約数和(自身を除く): 2916750

約数列:

[1, 2, 3, 6, 23, 43, 46, 69, 86, 129, 138, 258, 431, 862, 989, 1293, 1978, 2586, 2967, 5934, 9913, 18533, 19826, 29739, 37066, 55599, 59478, 111198, 426259, 852518, 1278777, 2557554]

約数ペア:

[(1, 2557554), (2, 1278777), (3, 852518), (6, 426259), (23, 111198), (43, 59478), (46, 55599), (69, 37066), (86, 29739), (129, 19826), (138, 18533), (258, 9913), (431, 5934), (862, 2967), (989, 2586), (1293, 1978)]