256220982

素因数分解:

$2^1\times 3^4\times {\mathrm{1581611}}^1$

素因数の和:1581625

約数の個数: 20

約数和(自身を含む): 574125156

約数和(自身を除く): 317904174

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1581611, 3163222, 4744833, 9489666, 14234499, 28468998, 42703497, 85406994, 128110491, 256220982]

約数ペア:

[(1, 256220982), (2, 128110491), (3, 85406994), (6, 42703497), (9, 28468998), (18, 14234499), (27, 9489666), (54, 4744833), (81, 3163222), (162, 1581611)]