163990370

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{119701}}^1$

素因数の和:119845

約数の個数: 16

約数和(自身を含む): 297339768

約数和(自身を除く): 133349398

約数列:

[1, 2, 5, 10, 137, 274, 685, 1370, 119701, 239402, 598505, 1197010, 16399037, 32798074, 81995185, 163990370]

約数ペア:

[(1, 163990370), (2, 81995185), (5, 32798074), (10, 16399037), (137, 1197010), (274, 598505), (685, 239402), (1370, 119701)]