56784664

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 108669600

約数和(自身を除く): 51884936

約数列:

[1, 2, 4, 8, 71, 142, 257, 284, 389, 514, 568, 778, 1028, 1556, 2056, 3112, 18247, 27619, 36494, 55238, 72988, 99973, 110476, 145976, 199946, 220952, 399892, 799784, 7098083, 14196166, 28392332, 56784664]

約数ペア:

[(1, 56784664), (2, 28392332), (4, 14196166), (8, 7098083), (71, 799784), (142, 399892), (257, 220952), (284, 199946), (389, 145976), (514, 110476), (568, 99973), (778, 72988), (1028, 55238), (1556, 36494), (2056, 27619), (3112, 18247)]