25252556

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{21997}}^1$

素因数の和:22049

約数の個数: 24

約数和(自身を含む): 51739296

約数和(自身を除く): 26486740

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 21997, 43994, 87988, 153979, 307958, 615916, 901877, 1803754, 3607508, 6313139, 12626278, 25252556]

約数ペア:

[(1, 25252556), (2, 12626278), (4, 6313139), (7, 3607508), (14, 1803754), (28, 901877), (41, 615916), (82, 307958), (164, 153979), (287, 87988), (574, 43994), (1148, 21997)]