1261664

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:542

約数の個数: 24

約数和(自身を含む): 2517480

約数和(自身を除く): 1255816

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 356, 443, 712, 886, 1424, 1772, 2848, 3544, 7088, 14176, 39427, 78854, 157708, 315416, 630832, 1261664]

約数ペア:

[(1, 1261664), (2, 630832), (4, 315416), (8, 157708), (16, 78854), (32, 39427), (89, 14176), (178, 7088), (356, 3544), (443, 2848), (712, 1772), (886, 1424)]