257675496

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{825883}}^1$

素因数の和:825905

約数の個数: 32

約数和(自身を含む): 693742560

約数和(自身を除く): 436067064

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 825883, 1651766, 2477649, 3303532, 4955298, 6607064, 9910596, 10736479, 19821192, 21472958, 32209437, 42945916, 64418874, 85891832, 128837748, 257675496]

約数ペア:

[(1, 257675496), (2, 128837748), (3, 85891832), (4, 64418874), (6, 42945916), (8, 32209437), (12, 21472958), (13, 19821192), (24, 10736479), (26, 9910596), (39, 6607064), (52, 4955298), (78, 3303532), (104, 2477649), (156, 1651766), (312, 825883)]