664261724

素因数分解:

$2^2\times 7^1\times {\mathrm{1759}}^1\times {\mathrm{13487}}^1$

素因数の和:15257

約数の個数: 24

約数和(自身を含む): 1329377280

約数和(自身を除く): 665115556

約数列:

[1, 2, 4, 7, 14, 28, 1759, 3518, 7036, 12313, 13487, 24626, 26974, 49252, 53948, 94409, 188818, 377636, 23723633, 47447266, 94894532, 166065431, 332130862, 664261724]

約数ペア:

[(1, 664261724), (2, 332130862), (4, 166065431), (7, 94894532), (14, 47447266), (28, 23723633), (1759, 377636), (3518, 188818), (7036, 94409), (12313, 53948), (13487, 49252), (24626, 26974)]