81813512

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{25127}}^1$

素因数の和:25181

約数の個数: 32

約数和(自身を含む): 171875520

約数和(自身を除く): 90062008

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 25127, 50254, 100508, 201016, 276397, 552794, 929699, 1105588, 1859398, 2211176, 3718796, 7437592, 10226689, 20453378, 40906756, 81813512]

約数ペア:

[(1, 81813512), (2, 40906756), (4, 20453378), (8, 10226689), (11, 7437592), (22, 3718796), (37, 2211176), (44, 1859398), (74, 1105588), (88, 929699), (148, 552794), (296, 276397), (407, 201016), (814, 100508), (1628, 50254), (3256, 25127)]