25159988

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{20897}}^1$

素因数の和:20951

約数の個数: 24

約数和(自身を含む): 51492672

約数和(自身を除く): 26332684

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 20897, 41794, 83588, 146279, 292558, 585116, 898571, 1797142, 3594284, 6289997, 12579994, 25159988]

約数ペア:

[(1, 25159988), (2, 12579994), (4, 6289997), (7, 3594284), (14, 1797142), (28, 898571), (43, 585116), (86, 292558), (172, 146279), (301, 83588), (602, 41794), (1204, 20897)]