668836376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1597}}^1\times {\mathrm{4027}}^1$

素因数の和:5643

約数の個数: 32

約数和(自身を含む): 1351716240

約数和(自身を除く): 682879864

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1597, 3194, 4027, 6388, 8054, 12776, 16108, 20761, 32216, 41522, 52351, 83044, 104702, 166088, 209404, 418808, 6431119, 12862238, 25724476, 51448952, 83604547, 167209094, 334418188, 668836376]

約数ペア:

[(1, 668836376), (2, 334418188), (4, 167209094), (8, 83604547), (13, 51448952), (26, 25724476), (52, 12862238), (104, 6431119), (1597, 418808), (3194, 209404), (4027, 166088), (6388, 104702), (8054, 83044), (12776, 52351), (16108, 41522), (20761, 32216)]