388460738

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{143981}}^1$

素因数の和:144073

約数の個数: 16

約数和(自身を含む): 622002240

約数和(自身を除く): 233541502

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 143981, 287962, 2735639, 5471278, 10222651, 20445302, 194230369, 388460738]

約数ペア:

[(1, 388460738), (2, 194230369), (19, 20445302), (38, 10222651), (71, 5471278), (142, 2735639), (1349, 287962), (2698, 143981)]