256180288

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43987}}^1$

素因数の和:44019

約数の個数: 56

約数和(自身を含む): 625685312

約数和(自身を除く): 369505024

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 832, 1456, 2912, 5824, 43987, 87974, 175948, 307909, 351896, 571831, 615818, 703792, 1143662, 1231636, 1407584, 2287324, 2463272, 2815168, 4002817, 4574648, 4926544, 8005634, 9149296, 9853088, 16011268, 18298592, 19706176, 32022536, 36597184, 64045072, 128090144, 256180288]

約数ペア:

[(1, 256180288), (2, 128090144), (4, 64045072), (7, 36597184), (8, 32022536), (13, 19706176), (14, 18298592), (16, 16011268), (26, 9853088), (28, 9149296), (32, 8005634), (52, 4926544), (56, 4574648), (64, 4002817), (91, 2815168), (104, 2463272), (112, 2287324), (182, 1407584), (208, 1231636), (224, 1143662), (364, 703792), (416, 615818), (448, 571831), (728, 351896), (832, 307909), (1456, 175948), (2912, 87974), (5824, 43987)]