199948008

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{640859}}^1$

素因数の和:640881

約数の個数: 32

約数和(自身を含む): 538322400

約数和(自身を除く): 338374392

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 640859, 1281718, 1922577, 2563436, 3845154, 5126872, 7690308, 8331167, 15380616, 16662334, 24993501, 33324668, 49987002, 66649336, 99974004, 199948008]

約数ペア:

[(1, 199948008), (2, 99974004), (3, 66649336), (4, 49987002), (6, 33324668), (8, 24993501), (12, 16662334), (13, 15380616), (24, 8331167), (26, 7690308), (39, 5126872), (52, 3845154), (78, 2563436), (104, 1922577), (156, 1281718), (312, 640859)]