128216282

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{31721}}^1$

素因数の和:31813

約数の個数: 16

約数和(自身を含む): 200990592

約数和(自身を除く): 72774310

約数列:

[1, 2, 43, 47, 86, 94, 2021, 4042, 31721, 63442, 1364003, 1490887, 2728006, 2981774, 64108141, 128216282]

約数ペア:

[(1, 128216282), (2, 64108141), (43, 2981774), (47, 2728006), (86, 1490887), (94, 1364003), (2021, 63442), (4042, 31721)]