129239848

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{20219}}^1$

素因数の和:20289

約数の個数: 32

約数和(自身を含む): 262051200

約数和(自身を除く): 132811352

約数列:

[1, 2, 4, 8, 17, 34, 47, 68, 94, 136, 188, 376, 799, 1598, 3196, 6392, 20219, 40438, 80876, 161752, 343723, 687446, 950293, 1374892, 1900586, 2749784, 3801172, 7602344, 16154981, 32309962, 64619924, 129239848]

約数ペア:

[(1, 129239848), (2, 64619924), (4, 32309962), (8, 16154981), (17, 7602344), (34, 3801172), (47, 2749784), (68, 1900586), (94, 1374892), (136, 950293), (188, 687446), (376, 343723), (799, 161752), (1598, 80876), (3196, 40438), (6392, 20219)]