81295426

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{3163}}^1$

素因数の和:3417

約数の個数: 16

約数和(自身を含む): 124383168

約数和(自身を除く): 43087742

約数列:

[1, 2, 71, 142, 181, 362, 3163, 6326, 12851, 25702, 224573, 449146, 572503, 1145006, 40647713, 81295426]

約数ペア:

[(1, 81295426), (2, 40647713), (71, 1145006), (142, 572503), (181, 449146), (362, 224573), (3163, 25702), (6326, 12851)]