256354424

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{14389}}^1$

素因数の和:14543

約数の個数: 32

約数和(自身を含む): 512859600

約数和(自身を除く): 256505176

約数列:

[1, 2, 4, 8, 17, 34, 68, 131, 136, 262, 524, 1048, 2227, 4454, 8908, 14389, 17816, 28778, 57556, 115112, 244613, 489226, 978452, 1884959, 1956904, 3769918, 7539836, 15079672, 32044303, 64088606, 128177212, 256354424]

約数ペア:

[(1, 256354424), (2, 128177212), (4, 64088606), (8, 32044303), (17, 15079672), (34, 7539836), (68, 3769918), (131, 1956904), (136, 1884959), (262, 978452), (524, 489226), (1048, 244613), (2227, 115112), (4454, 57556), (8908, 28778), (14389, 17816)]