390147254

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1466719}}^1$

素因数の和:1466747

約数の個数: 16

約数和(自身を含む): 704025600

約数和(自身を除く): 313878346

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 1466719, 2933438, 10267033, 20534066, 27867661, 55735322, 195073627, 390147254]

約数ペア:

[(1, 390147254), (2, 195073627), (7, 55735322), (14, 27867661), (19, 20534066), (38, 10267033), (133, 2933438), (266, 1466719)]