642288

素因数分解:

$2^4\times 3^1\times {\mathrm{13381}}^1$

素因数の和:13392

約数の個数: 20

約数和(自身を含む): 1659368

約数和(自身を除く): 1017080

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13381, 26762, 40143, 53524, 80286, 107048, 160572, 214096, 321144, 642288]

約数ペア:

[(1, 642288), (2, 321144), (3, 214096), (4, 160572), (6, 107048), (8, 80286), (12, 53524), (16, 40143), (24, 26762), (48, 13381)]