172972090

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{126257}}^1$

素因数の和:126401

約数の個数: 16

約数和(自身を含む): 313624872

約数和(自身を除く): 140652782

約数列:

[1, 2, 5, 10, 137, 274, 685, 1370, 126257, 252514, 631285, 1262570, 17297209, 34594418, 86486045, 172972090]

約数ペア:

[(1, 172972090), (2, 86486045), (5, 34594418), (10, 17297209), (137, 1262570), (274, 631285), (685, 252514), (1370, 126257)]