388640481

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1\times {\mathrm{2647}}^1$

素因数の和:3208

約数の個数: 16

約数和(自身を含む): 524304000

約数和(自身を除く): 135663519

約数列:

[1, 3, 109, 327, 449, 1347, 2647, 7941, 48941, 146823, 288523, 865569, 1188503, 3565509, 129546827, 388640481]

約数ペア:

[(1, 388640481), (3, 129546827), (109, 3565509), (327, 1188503), (449, 865569), (1347, 288523), (2647, 146823), (7941, 48941)]