87911964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20521}}^1$

素因数の和:20555

約数の個数: 72

約数和(自身を含む): 268920288

約数和(自身を除く): 181008324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 20521, 41042, 61563, 82084, 123126, 143647, 184689, 246252, 287294, 348857, 369378, 430941, 574588, 697714, 738756, 861882, 1046571, 1292823, 1395428, 1723764, 2093142, 2441999, 2585646, 3139713, 4186284, 4883998, 5171292, 6279426, 7325997, 9767996, 12558852, 14651994, 21977991, 29303988, 43955982, 87911964]

約数ペア:

[(1, 87911964), (2, 43955982), (3, 29303988), (4, 21977991), (6, 14651994), (7, 12558852), (9, 9767996), (12, 7325997), (14, 6279426), (17, 5171292), (18, 4883998), (21, 4186284), (28, 3139713), (34, 2585646), (36, 2441999), (42, 2093142), (51, 1723764), (63, 1395428), (68, 1292823), (84, 1046571), (102, 861882), (119, 738756), (126, 697714), (153, 574588), (204, 430941), (238, 369378), (252, 348857), (306, 287294), (357, 246252), (476, 184689), (612, 143647), (714, 123126), (1071, 82084), (1428, 61563), (2142, 41042), (4284, 20521)]