201928321

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1\times {\mathrm{1567}}^1$

素因数の和:2064

約数の個数: 16

約数和(自身を含む): 237081600

約数和(自身を除く): 35153279

約数列:

[1, 7, 41, 287, 449, 1567, 3143, 10969, 18409, 64247, 128863, 449729, 703583, 4925081, 28846903, 201928321]

約数ペア:

[(1, 201928321), (7, 28846903), (41, 4925081), (287, 703583), (449, 449729), (1567, 128863), (3143, 64247), (10969, 18409)]