31006888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 66484800

約数和(自身を除く): 35477912

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 89, 107, 148, 178, 214, 296, 356, 407, 428, 712, 814, 856, 979, 1177, 1628, 1958, 2354, 3256, 3293, 3916, 3959, 4708, 6586, 7832, 7918, 9416, 9523, 13172, 15836, 19046, 26344, 31672, 36223, 38092, 43549, 72446, 76184, 87098, 104753, 144892, 174196, 209506, 289784, 348392, 352351, 419012, 704702, 838024, 1409404, 2818808, 3875861, 7751722, 15503444, 31006888]

約数ペア:

[(1, 31006888), (2, 15503444), (4, 7751722), (8, 3875861), (11, 2818808), (22, 1409404), (37, 838024), (44, 704702), (74, 419012), (88, 352351), (89, 348392), (107, 289784), (148, 209506), (178, 174196), (214, 144892), (296, 104753), (356, 87098), (407, 76184), (428, 72446), (712, 43549), (814, 38092), (856, 36223), (979, 31672), (1177, 26344), (1628, 19046), (1958, 15836), (2354, 13172), (3256, 9523), (3293, 9416), (3916, 7918), (3959, 7832), (4708, 6586)]