291235388

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{653}}^1\times {\mathrm{2593}}^1$

素因数の和:3293

約数の個数: 24

約数和(自身を含む): 522514608

約数和(自身を除く): 231279220

約数列:

[1, 2, 4, 43, 86, 172, 653, 1306, 2593, 2612, 5186, 10372, 28079, 56158, 111499, 112316, 222998, 445996, 1693229, 3386458, 6772916, 72808847, 145617694, 291235388]

約数ペア:

[(1, 291235388), (2, 145617694), (4, 72808847), (43, 6772916), (86, 3386458), (172, 1693229), (653, 445996), (1306, 222998), (2593, 112316), (2612, 111499), (5186, 56158), (10372, 28079)]