1385285890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1556501}}^1$

素因数の和:1556597

約数の個数: 16

約数和(自身を含む): 2521533240

約数和(自身を除く): 1136247350

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 1556501, 3113002, 7782505, 15565010, 138528589, 277057178, 692642945, 1385285890]

約数ペア:

[(1, 1385285890), (2, 692642945), (5, 277057178), (10, 138528589), (89, 15565010), (178, 7782505), (445, 3113002), (890, 1556501)]