30891035

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 44457984

約数和(自身を除く): 13566949

約数列:

[1, 5, 7, 31, 35, 71, 155, 217, 355, 401, 497, 1085, 2005, 2201, 2485, 2807, 11005, 12431, 14035, 15407, 28471, 62155, 77035, 87017, 142355, 199297, 435085, 882601, 996485, 4413005, 6178207, 30891035]

約数ペア:

[(1, 30891035), (5, 6178207), (7, 4413005), (31, 996485), (35, 882601), (71, 435085), (155, 199297), (217, 142355), (355, 87017), (401, 77035), (497, 62155), (1085, 28471), (2005, 15407), (2201, 14035), (2485, 12431), (2807, 11005)]