211316252

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{397211}}^1$

素因数の和:397241

約数の個数: 24

約数和(自身を含む): 444877440

約数和(自身を除く): 233561188

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 397211, 794422, 1588844, 2780477, 5560954, 7547009, 11121908, 15094018, 30188036, 52829063, 105658126, 211316252]

約数ペア:

[(1, 211316252), (2, 105658126), (4, 52829063), (7, 30188036), (14, 15094018), (19, 11121908), (28, 7547009), (38, 5560954), (76, 2780477), (133, 1588844), (266, 794422), (532, 397211)]