2258889128

素因数分解:

$2^3\times {\mathrm{641}}^1\times {\mathrm{440501}}^1$

素因数の和:441148

約数の個数: 16

約数和(自身を含む): 4242034260

約数和(自身を除く): 1983145132

約数列:

[1, 2, 4, 8, 641, 1282, 2564, 5128, 440501, 881002, 1762004, 3524008, 282361141, 564722282, 1129444564, 2258889128]

約数ペア:

[(1, 2258889128), (2, 1129444564), (4, 564722282), (8, 282361141), (641, 3524008), (1282, 1762004), (2564, 881002), (5128, 440501)]