1261646488

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{3667577}}^1$

素因数の和:3667626

約数の個数: 16

約数和(自身を含む): 2420601480

約数和(自身を除く): 1158954992

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 3667577, 7335154, 14670308, 29340616, 157705811, 315411622, 630823244, 1261646488]

約数ペア:

[(1, 1261646488), (2, 630823244), (4, 315411622), (8, 157705811), (43, 29340616), (86, 14670308), (172, 7335154), (344, 3667577)]