257070838

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{21419}}^1$

素因数の和:21791

約数の個数: 16

約数和(自身を含む): 409464720

約数和(自身を除く): 152393882

約数列:

[1, 2, 17, 34, 353, 706, 6001, 12002, 21419, 42838, 364123, 728246, 7560907, 15121814, 128535419, 257070838]

約数ペア:

[(1, 257070838), (2, 128535419), (17, 15121814), (34, 7560907), (353, 728246), (706, 364123), (6001, 42838), (12002, 21419)]