1291497392

素因数分解:

$2^4\times {\mathrm{443}}^1\times {\mathrm{182209}}^1$

素因数の和:182660

約数の個数: 20

約数和(自身を含む): 2507938440

約数和(自身を除く): 1216441048

約数列:

[1, 2, 4, 8, 16, 443, 886, 1772, 3544, 7088, 182209, 364418, 728836, 1457672, 2915344, 80718587, 161437174, 322874348, 645748696, 1291497392]

約数ペア:

[(1, 1291497392), (2, 645748696), (4, 322874348), (8, 161437174), (16, 80718587), (443, 2915344), (886, 1457672), (1772, 728836), (3544, 364418), (7088, 182209)]