890342828

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{1117}}^1\times {\mathrm{2239}}^1$

素因数の和:3449

約数の個数: 24

約数和(自身を含む): 1577721600

約数和(自身を除く): 687378772

約数列:

[1, 2, 4, 89, 178, 356, 1117, 2234, 2239, 4468, 4478, 8956, 99413, 198826, 199271, 397652, 398542, 797084, 2500963, 5001926, 10003852, 222585707, 445171414, 890342828]

約数ペア:

[(1, 890342828), (2, 445171414), (4, 222585707), (89, 10003852), (178, 5001926), (356, 2500963), (1117, 797084), (2234, 398542), (2239, 397652), (4468, 199271), (4478, 198826), (8956, 99413)]