157397444

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{109001}}^1$

素因数の和:109043

約数の個数: 18

約数和(自身を含む): 290708334

約数和(自身を除く): 133310890

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 109001, 218002, 436004, 2071019, 4142038, 8284076, 39349361, 78698722, 157397444]

約数ペア:

[(1, 157397444), (2, 78698722), (4, 39349361), (19, 8284076), (38, 4142038), (76, 2071019), (361, 436004), (722, 218002), (1444, 109001)]