1287788156

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1\times {\mathrm{1283}}^1$

素因数の和:1634

約数の個数: 48

約数和(自身を含む): 2433231360

約数和(自身を除く): 1145443204

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 281, 562, 893, 1124, 1283, 1786, 2566, 3572, 5132, 5339, 10678, 13207, 21356, 24377, 26414, 48754, 52828, 60301, 97508, 120602, 241204, 250933, 360523, 501866, 721046, 1003732, 1145719, 1442092, 2291438, 4582876, 6849937, 13699874, 16944581, 27399748, 33889162, 67778324, 321947039, 643894078, 1287788156]

約数ペア:

[(1, 1287788156), (2, 643894078), (4, 321947039), (19, 67778324), (38, 33889162), (47, 27399748), (76, 16944581), (94, 13699874), (188, 6849937), (281, 4582876), (562, 2291438), (893, 1442092), (1124, 1145719), (1283, 1003732), (1786, 721046), (2566, 501866), (3572, 360523), (5132, 250933), (5339, 241204), (10678, 120602), (13207, 97508), (21356, 60301), (24377, 52828), (26414, 48754)]