408453241

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{631}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 511262720

約数和(自身を除く): 102809479

約数列:

[1, 7, 19, 31, 133, 157, 217, 589, 631, 1099, 2983, 4123, 4417, 4867, 11989, 19561, 20881, 34069, 83923, 92473, 99067, 136927, 371659, 647311, 693469, 1882273, 2601613, 3071077, 13175911, 21497539, 58350463, 408453241]

約数ペア:

[(1, 408453241), (7, 58350463), (19, 21497539), (31, 13175911), (133, 3071077), (157, 2601613), (217, 1882273), (589, 693469), (631, 647311), (1099, 371659), (2983, 136927), (4123, 99067), (4417, 92473), (4867, 83923), (11989, 34069), (19561, 20881)]