289161890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{324901}}^1$

素因数の和:324997

約数の個数: 16

約数和(自身を含む): 526341240

約数和(自身を除く): 237179350

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 324901, 649802, 1624505, 3249010, 28916189, 57832378, 144580945, 289161890]

約数ペア:

[(1, 289161890), (2, 144580945), (5, 57832378), (10, 28916189), (89, 3249010), (178, 1624505), (445, 649802), (890, 324901)]