81686054

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4079}}^1$

素因数の和:4148

約数の個数: 32

約数和(自身を含む): 141004800

約数和(自身を除く): 59318746

約数列:

[1, 2, 17, 19, 31, 34, 38, 62, 323, 527, 589, 646, 1054, 1178, 4079, 8158, 10013, 20026, 69343, 77501, 126449, 138686, 155002, 252898, 1317517, 2149633, 2402531, 2635034, 4299266, 4805062, 40843027, 81686054]

約数ペア:

[(1, 81686054), (2, 40843027), (17, 4805062), (19, 4299266), (31, 2635034), (34, 2402531), (38, 2149633), (62, 1317517), (323, 252898), (527, 155002), (589, 138686), (646, 126449), (1054, 77501), (1178, 69343), (4079, 20026), (8158, 10013)]