638528086

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{577331}}^1$

素因数の和:577419

約数の個数: 16

約数和(自身を含む): 1108477440

約数和(自身を除く): 469949354

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 577331, 1154662, 4041317, 8082634, 45609149, 91218298, 319264043, 638528086]

約数ペア:

[(1, 638528086), (2, 319264043), (7, 91218298), (14, 45609149), (79, 8082634), (158, 4041317), (553, 1154662), (1106, 577331)]