66391508

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{251}}^1\times {\mathrm{743}}^1$

素因数の和:1087

約数の個数: 24

約数和(自身を含む): 118117440

約数和(自身を除く): 51725932

約数列:

[1, 2, 4, 89, 178, 251, 356, 502, 743, 1004, 1486, 2972, 22339, 44678, 66127, 89356, 132254, 186493, 264508, 372986, 745972, 16597877, 33195754, 66391508]

約数ペア:

[(1, 66391508), (2, 33195754), (4, 16597877), (89, 745972), (178, 372986), (251, 264508), (356, 186493), (502, 132254), (743, 89356), (1004, 66127), (1486, 44678), (2972, 22339)]