217424524

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{150571}}^1$

素因数の和:150613

約数の個数: 18

約数和(自身を含む): 401575524

約数和(自身を除く): 184151000

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 150571, 301142, 602284, 2860849, 5721698, 11443396, 54356131, 108712262, 217424524]

約数ペア:

[(1, 217424524), (2, 108712262), (4, 54356131), (19, 11443396), (38, 5721698), (76, 2860849), (361, 602284), (722, 301142), (1444, 150571)]