1261358

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:288

約数の個数: 24

約数和(自身を含む): 2247624

約数和(自身を除く): 986266

約数列:

[1, 2, 7, 14, 49, 61, 98, 122, 211, 422, 427, 854, 1477, 2954, 2989, 5978, 10339, 12871, 20678, 25742, 90097, 180194, 630679, 1261358]

約数ペア:

[(1, 1261358), (2, 630679), (7, 180194), (14, 90097), (49, 25742), (61, 20678), (98, 12871), (122, 10339), (211, 5978), (422, 2989), (427, 2954), (854, 1477)]