25971804

素因数分解:

$2^2\times 3^2\times {\mathrm{721439}}^1$

素因数の和:721449

約数の個数: 18

約数和(自身を含む): 65651040

約数和(自身を除く): 39679236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 721439, 1442878, 2164317, 2885756, 4328634, 6492951, 8657268, 12985902, 25971804]

約数ペア:

[(1, 25971804), (2, 12985902), (3, 8657268), (4, 6492951), (6, 4328634), (9, 2885756), (12, 2164317), (18, 1442878), (36, 721439)]