421538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:569

約数の個数: 16

約数和(自身を含む): 704256

約数和(自身を除く): 282718

約数列:

[1, 2, 13, 26, 31, 62, 403, 523, 806, 1046, 6799, 13598, 16213, 32426, 210769, 421538]

約数ペア:

[(1, 421538), (2, 210769), (13, 32426), (26, 16213), (31, 13598), (62, 6799), (403, 1046), (523, 806)]