420180518

素因数分解:

$2^1\times {\mathrm{191}}^1\times {\mathrm{509}}^1\times {\mathrm{2161}}^1$

素因数の和:2863

約数の個数: 16

約数和(自身を含む): 635109120

約数和(自身を除く): 214928602

約数列:

[1, 2, 191, 382, 509, 1018, 2161, 4322, 97219, 194438, 412751, 825502, 1099949, 2199898, 210090259, 420180518]

約数ペア:

[(1, 420180518), (2, 210090259), (191, 2199898), (382, 1099949), (509, 825502), (1018, 412751), (2161, 194438), (4322, 97219)]