256247209

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{6781}}^1$

素因数の和:6888

約数の個数: 16

約数和(自身を含む): 281263104

約数和(自身を除く): 25015895

約数列:

[1, 23, 31, 53, 713, 1219, 1643, 6781, 37789, 155963, 210211, 359393, 4834853, 8266039, 11141183, 256247209]

約数ペア:

[(1, 256247209), (23, 11141183), (31, 8266039), (53, 4834853), (713, 359393), (1219, 210211), (1643, 155963), (6781, 37789)]