90137890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{209623}}^1$

素因数の和:209673

約数の個数: 16

約数和(自身を含む): 166022208

約数和(自身を除く): 75884318

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 209623, 419246, 1048115, 2096230, 9013789, 18027578, 45068945, 90137890]

約数ペア:

[(1, 90137890), (2, 45068945), (5, 18027578), (10, 9013789), (43, 2096230), (86, 1048115), (215, 419246), (430, 209623)]