990978

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:238

約数の個数: 32

約数和(自身を含む): 2128896

約数和(自身を除く): 1137918

約数列:

[1, 2, 3, 6, 23, 43, 46, 69, 86, 129, 138, 167, 258, 334, 501, 989, 1002, 1978, 2967, 3841, 5934, 7181, 7682, 11523, 14362, 21543, 23046, 43086, 165163, 330326, 495489, 990978]

約数ペア:

[(1, 990978), (2, 495489), (3, 330326), (6, 165163), (23, 43086), (43, 23046), (46, 21543), (69, 14362), (86, 11523), (129, 7682), (138, 7181), (167, 5934), (258, 3841), (334, 2967), (501, 1978), (989, 1002)]