39428515

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{281}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 57392640

約数和(自身を除く): 17964125

約数列:

[1, 5, 7, 19, 35, 95, 133, 211, 281, 665, 1055, 1405, 1477, 1967, 4009, 5339, 7385, 9835, 20045, 26695, 28063, 37373, 59291, 140315, 186865, 296455, 415037, 1126529, 2075185, 5632645, 7885703, 39428515]

約数ペア:

[(1, 39428515), (5, 7885703), (7, 5632645), (19, 2075185), (35, 1126529), (95, 415037), (133, 296455), (211, 186865), (281, 140315), (665, 59291), (1055, 37373), (1405, 28063), (1477, 26695), (1967, 20045), (4009, 9835), (5339, 7385)]