128978979

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{6203}}^1$

素因数の和:6474

約数の個数: 16

約数和(自身を含む): 178675200

約数和(自身を除く): 49696221

約数列:

[1, 3, 29, 87, 239, 717, 6203, 6931, 18609, 20793, 179887, 539661, 1482517, 4447551, 42992993, 128978979]

約数ペア:

[(1, 128978979), (3, 42992993), (29, 4447551), (87, 1482517), (239, 539661), (717, 179887), (6203, 20793), (6931, 18609)]