997804

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{691}}^1$

素因数の和:733

約数の個数: 18

約数和(自身を含む): 1845564

約数和(自身を除く): 847760

約数列:

[1, 2, 4, 19, 38, 76, 361, 691, 722, 1382, 1444, 2764, 13129, 26258, 52516, 249451, 498902, 997804]

約数ペア:

[(1, 997804), (2, 498902), (4, 249451), (19, 52516), (38, 26258), (76, 13129), (361, 2764), (691, 1444), (722, 1382)]