664028446

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{863}}^1$

素因数の和:1320

約数の個数: 32

約数和(自身を含む): 1067489280

約数和(自身を除く): 403460834

約数列:

[1, 2, 23, 43, 46, 86, 389, 778, 863, 989, 1726, 1978, 8947, 16727, 17894, 19849, 33454, 37109, 39698, 74218, 335707, 384721, 671414, 769442, 853507, 1707014, 7721261, 14435401, 15442522, 28870802, 332014223, 664028446]

約数ペア:

[(1, 664028446), (2, 332014223), (23, 28870802), (43, 15442522), (46, 14435401), (86, 7721261), (389, 1707014), (778, 853507), (863, 769442), (989, 671414), (1726, 384721), (1978, 335707), (8947, 74218), (16727, 39698), (17894, 37109), (19849, 33454)]