1261977691904

素因数分解:

$2^8\times {\mathrm{4929600359}}^1$

素因数の和:4929600375

約数の個数: 18

約数和(自身を含む): 2519025783960

約数和(自身を除く): 1257048092056

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 4929600359, 9859200718, 19718401436, 39436802872, 78873605744, 157747211488, 315494422976, 630988845952, 1261977691904]

約数ペア:

[(1, 1261977691904), (2, 630988845952), (4, 315494422976), (8, 157747211488), (16, 78873605744), (32, 39436802872), (64, 19718401436), (128, 9859200718), (256, 4929600359)]