81265508

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2029}}^1$

素因数の和:2100

約数の個数: 48

約数和(自身を含む): 163699200

約数和(自身を除く): 82433692

約数列:

[1, 2, 4, 17, 19, 31, 34, 38, 62, 68, 76, 124, 323, 527, 589, 646, 1054, 1178, 1292, 2029, 2108, 2356, 4058, 8116, 10013, 20026, 34493, 38551, 40052, 62899, 68986, 77102, 125798, 137972, 154204, 251596, 655367, 1069283, 1195081, 1310734, 2138566, 2390162, 2621468, 4277132, 4780324, 20316377, 40632754, 81265508]

約数ペア:

[(1, 81265508), (2, 40632754), (4, 20316377), (17, 4780324), (19, 4277132), (31, 2621468), (34, 2390162), (38, 2138566), (62, 1310734), (68, 1195081), (76, 1069283), (124, 655367), (323, 251596), (527, 154204), (589, 137972), (646, 125798), (1054, 77102), (1178, 68986), (1292, 62899), (2029, 40052), (2108, 38551), (2356, 34493), (4058, 20026), (8116, 10013)]