25981998

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{618619}}^1$

素因数の和:618631

約数の個数: 16

約数和(自身を含む): 59387520

約数和(自身を除く): 33405522

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 618619, 1237238, 1855857, 3711714, 4330333, 8660666, 12990999, 25981998]

約数ペア:

[(1, 25981998), (2, 12990999), (3, 8660666), (6, 4330333), (7, 3711714), (14, 1855857), (21, 1237238), (42, 618619)]