213399508

素因数分解:

$2^2\times 7^3\times {\mathrm{155539}}^1$

素因数の和:155564

約数の個数: 24

約数和(自身を含む): 435512000

約数和(自身を除く): 222112492

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 155539, 311078, 622156, 1088773, 2177546, 4355092, 7621411, 15242822, 30485644, 53349877, 106699754, 213399508]

約数ペア:

[(1, 213399508), (2, 106699754), (4, 53349877), (7, 30485644), (14, 15242822), (28, 7621411), (49, 4355092), (98, 2177546), (196, 1088773), (343, 622156), (686, 311078), (1372, 155539)]