209896588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{110939}}^1$

素因数の和:110997

約数の個数: 24

約数和(自身を含む): 410034240

約数和(自身を除く): 200137652

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 110939, 221878, 443756, 1220329, 2440658, 4770377, 4881316, 9540754, 19081508, 52474147, 104948294, 209896588]

約数ペア:

[(1, 209896588), (2, 104948294), (4, 52474147), (11, 19081508), (22, 9540754), (43, 4881316), (44, 4770377), (86, 2440658), (172, 1220329), (473, 443756), (946, 221878), (1892, 110939)]