256586504

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{24061}}^1$

素因数の和:24141

約数の個数: 32

約数和(自身を含む): 508189440

約数和(自身を除く): 251602936

約数列:

[1, 2, 4, 8, 31, 43, 62, 86, 124, 172, 248, 344, 1333, 2666, 5332, 10664, 24061, 48122, 96244, 192488, 745891, 1034623, 1491782, 2069246, 2983564, 4138492, 5967128, 8276984, 32073313, 64146626, 128293252, 256586504]

約数ペア:

[(1, 256586504), (2, 128293252), (4, 64146626), (8, 32073313), (31, 8276984), (43, 5967128), (62, 4138492), (86, 2983564), (124, 2069246), (172, 1491782), (248, 1034623), (344, 745891), (1333, 192488), (2666, 96244), (5332, 48122), (10664, 24061)]